Table 2 General characteristics for preventive medicine students from 3 medical universities/colleges, n (%)
Characteristics | All (n = 307) | Participants who passed the consistency test (n = 261) | Participants who failed the consistency test (n  = 46) | χ2 | P value |
|---|---|---|---|---|---|
Sex | Â | Â | Â | 0.207 | 0.649 |
 Male | 111(36.2) | 93(35.6) | 18(39.1) |  |  |
 Female | 196(63.8) | 168(64.4) | 28(60.9) |  |  |
School | Â | Â | Â | 3.374 | 0.185 |
 Jining medical university | 177(57.7) | 145(55.6) | 32(69.6) |  |  |
 Shandong medical college | 83(27.0) | 75(28.7) | 8(17.4) |  |  |
 Heze medical college | 47(15.3) | 41(15.7) | 6(13.0) |  |  |
Hometown | Â | Â | Â | 2.862 | 0.239 |
 City | 71(23.1) | 56(21.5) | 15(32.6) |  |  |
 County | 62(20.2) | 53(20.3) | 9(19.6) |  |  |
 Township or village | 174(56.7) | 152(58.2) | 22(47.8) |  |  |
Only child | Â | Â | Â | 2.433 | 0.119 |
 Yes | 109(35.5) | 88(33.7) | 21(45.7) |  |  |
 No | 198(64.5) | 173(66.3) | 25(54.3) |  |  |
Consumption level (CNY per month) | Â | Â | 3.206 | 0.201 | |
 0- | 53(17.3) | 43(16.5) | 10(21.7) |  |  |
 800- | 144(46.9) | 128(49.0) | 16(34.8) |  |  |
 1500- | 110(35.8) | 90(34.5) | 20(43.5) |  |  |
Family income(CNY per year) | Â | Â | Â | 5.182 | 0.269 |
 0- | 88(28.7) | 80(30.7) | 8(17.4) |  |  |
 30,000- | 71(23.1) | 57(21.8) | 14(30.4) |  |  |
 50,000- | 50(16.3) | 41(15.7) | 9(19.6) |  |  |
 70,000- | 40(13.0) | 32(12.3) | 8(17.4) |  |  |
 90,000- | 58(18.9) | 51(19.5) | 7(15.2) |  |  |