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t-Test

Group Statistics

2 categories of Bridge N Mean Std. Deviation Std. Error Mean
Informed bridge- member or leader 75 3.7133 .60995 .07043
NOT bridge 83 3.4337 .75212 .08256
Activism bridge- member or leader 75 2.9036 .74848 .08643
NOT bridge 83 2.1727 .70446 .07732
Organizations/Affiliations bridge- member or leader 75 3.5467 1.26857 .14648
NOT bridge 83 1.4337 .68863 .07559
Belonging bridge- member or leader 75 3.4729 .62266 .07190
NOT bridge 83 3.2169 .71223 .07818
Social Engagement bridge- member or leader 75 3.2867 .71440 .08249
NOT bridge 83 3.0723 .81575 .08954
Commuity Attachment bridge- member or leader 75 3.8467 .83817 .09678
NOT bridge 83 3.5060 .84642 .09291
Trust bridge- member or leader 74 3.8784 .64005 .07440
NOT bridge 83 3.5542 .70283 .07715
Participation bridge- member or leader 75 3.2390 .60558 .06993
NOT bridge 83 2.5177 .59176 .06495
Computer Interest bridge- member or leader 75 4.1644 1.42202 .16420
NOT bridge 82 3.6626 1.72411 .19040
Political Interest bridge- member or leader 75 1.4600 .79168 .09142
NOT bridge 83 1.2349 .43010 .04721
Social Interest bridge- member or leader 75 3.1439 .73446 .08481
NOT bridge 83 2.9372 .79118 .08684
Civic Interest bridge- member or leader 75 2.8386 .69507 .08026
NOT bridge 83 2.1936 .61421 .06742
Online Commerce bridge- member or leader 68 1.9853 .78688 .09542
NOT bridge 61 2.0470 .88939 .11387
Online Education/Work bridge- member or leader 67 2.5000 1.30203 .15907
NOT bridge 61 2.5123 1.16496 .14916
Online Leisure bridge- member or leader 68 2.1172 1.00088 .12137
NOT bridge 61 2.1992 .69526 .08902
Online Mental, Physical, Social Health bridge- member or leader 68 2.0735 .96782 .11737
NOT bridge 61 1.7623 .84709 .10846
Online General Internet Usage bridge- member or leader 68 3.1078 1.25377 .15204
NOT bridge 61 3.2281 1.19081 .15247
Online Political Activity bridge- member or leader 68 1.4775 .63448 .07694
NOT bridge 61 1.2732 .49910 .06390
Online Social Activity bridge- member or leader 68 2.8020 1.22703 .14880
NOT bridge 61 2.4563 .96124 .12307
Online Civic Activity bridge- member or leader 68 2.6523 1.11853 .13564
NOT bridge 61 2.3399 .95870 .12275
Social Introversion/Extroversion bridge- member or leader 75 3.4146 .52619 .06076
NOT bridge 82 3.1834 .54556 .06025
Life-Changing Events (Sum) bridge- member or leader 75 4.3867 2.96326 .34217
NOT bridge 82 3.9390 2.56928 .28373
Life-changing Events (Mean) bridge- member or leader 75 .1415 .09559 .01104
NOT bridge 82 .1271 .08288 .00915
Social Support bridge- member or leader 75 4.0614 .69802 .08060
NOT bridge 82 4.0158 .63356 .06996
Age bridge- member or leader 75 46.52 15.228 1.758
NOT bridge 83 43.95 14.799 1.624
Collective Efficacy (CE) bridge- member or leader 75 3.4081 .51039 .05893
NOT bridge 83 3.1109 .53872 .05913
Active Cooperation (CE Factor 1) bridge- member or leader 75 3.5541 .56839 .06563
NOT bridge 83 3.2441 .56912 .06247
Social Services (CE Factor 2) bridge- member or leader 74 2.9865 .96149 .11177
NOT bridge 83 2.6928 .89317 .09804
Economic Development (CE Factor 3) bridge- member or leader 75 3.3544 .67410 .07784
NOT bridge 83 3.0884 .66225 .07269
Annual Income bridge- member or leader 69 5.99 1.430 .172
NOT bridge 78 4.97 1.830 .207
Education (last grade of school completed) bridge- member or leader 75 5.33 1.536 .177
NOT bridge 83 4.70 1.479 .162
Years Online bridge- member or leader 65 4.77 2.448 .304
NOT bridge 59 4.53 2.395 .312
Since online, involvement with local issues bridge- member or leader 68 2.16 .409 .050
NOT bridge 60 2.00 .412 .053
Since Online, involvement with national issues bridge- member or leader 68 2.29 .520 .063
NOT bridge 61 2.13 .532 .068
Since Online, connected with people inside community bridge- member or leader 68 2.31 .465 .056
NOT bridge 60 2.03 .520 .067
Since Online, connected with people outside community bridge- member or leader 68 2.63 .486 .059
NOT bridge 61 2.48 .536 .069
Since Online, connected with greater diversity of people inside community bridge- member or leader 68 2.12 .474 .057
NOT bridge 60 2.02 .431 .056
Since Online, connected with greater diversity of people outside community bridge- member or leader 68 2.35 .540 .065
NOT bridge 60 2.18 .537 .069
Since Online, involvement inside local community bridge- member or leader 68 2.25 .436 .053
NOT bridge 60 2.02 .469 .061
Since Online, involvement outside community bridge- member or leader 68 2.25 .469 .057
NOT bridge 60 2.12 .524 .068
Since Online, shop for local goods/services bridge- member or leader 68 2.01 .440 .053
NOT bridge 59 2.00 .525 .068
Since Online, attend local meetings and events bridge- member or leader 68 2.15 .396 .048
NOT bridge 59 1.92 .385 .050

Independent Samples Test


Levene's Test for Equality of Variances t-test for Equality of Means
F Sig. t df Sig. (2-tailed) Mean Difference Std. Error Difference 95% Confidence Interval of the Difference
Lower Upper
Informed Equal variances assumed 2.950 .088 2.550 156 .012 .2796 .10966 .06298 .49622
Equal variances not assumed

2.577 154.255 .011 .2796 .10852 .06523 .49397
Activism Equal variances assumed .086 .770 6.322 156 .000 .7309 .11561 .50250 .95923
Equal variances not assumed

6.302 151.995 .000 .7309 .11597 .50175 .95998
Organizations/Affiliations Equal variances assumed 25.155 .000 13.179 156 .000 2.1129 .16032 1.79625 2.42961
Equal variances not assumed

12.818 111.520 .000 2.1129 .16483 1.78632 2.43955
Belonging Equal variances assumed 1.384 .241 2.394 156 .018 .2560 .10694 .04479 .46726
Equal variances not assumed

2.410 155.838 .017 .2560 .10621 .04622 .46582
Social Engagement Equal variances assumed 2.456 .119 1.749 156 .082 .2144 .12257 -.02773 .45648
Equal variances not assumed

1.761 155.854 .080 .2144 .12175 -.02611 .45486
Community Attachment Equal variances assumed .223 .638 2.538 156 .012 .3406 .13423 .07551 .60578
Equal variances not assumed

2.539 154.683 .012 .3406 .13416 .07562 .60566
Trust Equal variances assumed 3.469 .064 3.008 155 .003 .3242 .10776 .11130 .53703
Equal variances not assumed

3.024 154.925 .003 .3242 .10718 .11244 .53588
Participation Equal variances assumed .018 .894 7.566 156 .000 .7212 .09533 .53293 .90953
Equal variances not assumed

7.557 153.597 .000 .7212 .09544 .53269 .90978
Computer Interest Equal variances assumed 6.341 .013 1.979 155 .050 .5018 .25358 .00093 1.00276
Equal variances not assumed

1.996 153.407 .048 .5018 .25142 .00515 .99854
Political Interest Equal variances assumed 7.794 .006 2.249 156 .026 .2251 .10007 .02739 .42273
Equal variances not assumed

2.187 111.573 .031 .2251 .10289 .02120 .42892
Social Interest Equal variances assumed .032 .859 1.696 156 .092 .2067 .12184 -.03400 .44736
Equal variances not assumed

1.703 155.881 .091 .2067 .12138 -.03309 .44645
Civic interest Equal variances assumed .812 .369 6.192 156 .000 .6450 .10416 .43924 .85074
Equal variances not assumed

6.153 148.535 .000 .6450 .10482 .43786 .85212
Online Commerce Equal variances assumed .105 .746 -.418 127 .677 -.0617 .14758 -.35374 .23034
Equal variances not assumed

-.415 120.597 .679 -.0617 .14857 -.35584 .23244
Online Education/Work Equal variances assumed 1.169 .282 -.056 126 .955 -.0123 .21921 -.44610 .42151
Equal variances not assumed

-.056 125.965 .955 -.0123 .21806 -.44383 .41924
Online Leisure Equal variances assumed 2.258 .135 -.535 127 .594 -.0820 .15342 -.38564 .22155
Equal variances not assumed

-.545 119.769 .587 -.0820 .15052 -.38007 .21598
Online Mental, Physical, Social Health Equal variances assumed 3.075 .082 1.934 127 .055 .3112 .16097 -.00729 .62976
Equal variances not assumed

1.948 126.929 .054 .3112 .15981 -.00499 .62746
Online General Internet Usage Equal variances assumed .275 .601 -.557 127 .578 -.1203 .21593 -.54758 .30698
Equal variances not assumed

-.559 126.574 .577 -.1203 .21532 -.54639 .30580
Online Political Activity Equal variances assumed 4.400 .038 2.016 127 .046 .2042 .10132 .00374 .40471
Equal variances not assumed

2.042 124.932 .043 .2042 .10002 .00628 .40218
Online Social Activity Equal variances assumed 6.160 .014 1.767 127 .080 .3457 .19565 -.04147 .73283
Equal variances not assumed

1.790 124.804 .076 .3457 .19310 -.03650 .72786
Online Civic Activity Equal variances assumed 2.042 .155 1.694 127 .093 .3124 .18447 -.05260 .67748
Equal variances not assumed

1.708 126.749 .090 .3124 .18294 -.04957 .67444
Social Introversion/Extroversion Equal variances assumed .223 .637 2.698 155 .008 .2313 .08570 .06196 .40055
Equal variances not assumed

2.703 154.555 .008 .2313 .08556 .06223 .40028
Life-Changing Events (Sum) Equal variances assumed .973 .326 1.013 155 .312 .4476 .44168 -.42485 1.32014
Equal variances not assumed

1.007 147.179 .316 .4476 .44450 -.43079 1.32607
Life-Changing Events (Mean) Equal variances assumed .973 .326 1.013 155 .312 .0144 .01425 -.01370 .04259
Equal variances not assumed

1.007 147.179 .316 .0144 .01434 -.01390 .04278
Social Support Equal variances assumed .525 .470 .429 155 .668 .0456 .10627 -.16431 .25554
Equal variances not assumed

.427 149.821 .670 .0456 .10673 -.16528 .25651
Age Equal variances assumed .096 .757 1.074 156 .284 2.57 2.390 -2.154 7.290
Equal variances not assumed

1.073 153.386 .285 2.57 2.394 -2.161 7.297
Collective Efficacy (CE) Equal variances assumed .003 .956 3.551 156 .001 .2972 .08372 .13188 .46261
Equal variances not assumed

3.560 155.642 .000 .2972 .08349 .13233 .46216
Active Cooperation (CE Factor 1) Equal variances assumed .119 .731 3.421 156 .001 .3100 .09061 .13102 .48900
Equal variances not assumed

3.421 154.432 .001 .3100 .09061 .13101 .48900
Social Services (CE Factor 2) Equal variances assumed .653 .420 1.984 155 .049 .2937 .14805 .00127 .58616
Equal variances not assumed

1.976 149.669 .050 .2937 .14868 -.00006 .58749
Economic Development (CE Factor 3) Equal variances assumed .001 .972 2.501 156 .013 .2661 .10641 .05591 .47627
Equal variances not assumed

2.498 153.795 .014 .2661 .10650 .05569 .47649
Annual Income Equal variances assumed 2.598 .109 3.698 145 .000 1.01 .273 .471 1.552
Equal variances not assumed

3.753 142.880 .000 1.01 .269 .479 1.544
Education (last grade of school completed) Equal variances assumed .564 .454 2.643 156 .009 .63 .240 .160 1.109
Equal variances not assumed

2.638 153.015 .009 .63 .241 .159 1.110
Years Online Equal variances assumed .000 .992 .560 122 .577 .24 .436 -.619 1.106
Equal variances not assumed

.560 121.303 .576 .24 .435 -.618 1.105
Since Online, involvement with local issues Equal variances assumed 4.927 .028 2.225 126 .028 .16 .073 .018 .306
Equal variances not assumed

2.225 123.835 .028 .16 .073 .018 .306
Since Online, involvement with national issues Equal variances assumed 2.436 .121 1.759 127 .081 .16 .093 -.020 .346
Equal variances not assumed

1.757 124.845 .081 .16 .093 -.021 .347
Since Online, connected with people inside community Equal variances assumed 5.786 .018 3.164 126 .002 .28 .087 .103 .448
Equal variances not assumed

3.142 119.403 .002 .28 .088 .102 .449
Since Online, connected with people outside community Equal variances assumed 5.112 .025 1.745 127 .083 .16 .090 -.021 .335
Equal variances not assumed

1.736 121.815 .085 .16 .090 -.022 .336
Since Online, connected with greater diversity inside community Equal variances assumed 3.088 .081 1.254 126 .212 .10 .081 -.058 .260
Equal variances not assumed

1.261 125.872 .209 .10 .080 -.057 .259
Since Online, connected with greater diversity outside Equal variances assumed 3.046 .083 1.779 126 .078 .17 .095 -.019 .358
Equal variances not assumed

1.780 124.212 .078 .17 .095 -.019 .358
Since Online, involvement inside local community Equal variances assumed 6.539 .012 2.915 126 .004 .23 .080 .075 .392
Equal variances not assumed

2.902 121.233 .004 .23 .080 .074 .393
Since Online, involvement outside local community Equal variances assumed .604 .439 1.519 126 .131 .13 .088 -.040 .307
Equal variances not assumed

1.509 119.416 .134 .13 .088 -.042 .308
Since Online, shop for local goods/ services Equal variances assumed .844 .360 .172 125 .864 .01 .086 -.155 .184
Equal variances not assumed

.170 113.692 .866 .01 .087 -.157 .187
Since Online, attend local meetings and events Equal variances assumed 1.224 .271 3.333 125 .001 .23 .070 .094 .369
Equal variances not assumed

3.340 123.430 .001 .23 .069 .094 .369