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. 2011 Feb 23;6(2):e14706. doi: 10.1371/journal.pone.0014706

Table 3. Bivariate analysis of effects of demographic and trauma exposure variables on symptoms of anxiety at 6-month and 12-month after the Sichuan earthquake.

Anxiety 1 Anxiety 2
Variable No.(%) OR(95%CI) p No.(%) OR(95%CI) p
Sex Boy 36(21.8) 1 0.515 38(23) 1 0.895
Girl 41(24.8) 1.19(0.71–1.98) 37(22.4) 0.97(0.58–1.62)
Grade 3rd 13(13.4) 1 0.009** 20(20.6) 1 0.735
4th 19(22.9) 1.92(0.88–4.17) 18(21.7) 1.07(0.52–2.18)
5th 45(30) 2.77(1.40–5.47) 37(24.7) 1.26(0.68–2.34)
Age 8–9 y 16(15.4) 1 0.059 23(22.1) 1 0.869
10–11 y 60(27.5) 1.90(0.97–3.69) 50(22.9) 1.05(0.60–1.84)
Being trapped No 46(20.7) 1 0.109 51(23) 1 0.879
Yes 31(28.7) 1.54(0.91–2.61) 24(22.2) 0.96(0.55–1.66)
Being injured No 33(17.1) 1 0.002** 39(20.2) 1 0.196
Yes 44(32.1) 2.29(1.36–3.85) 36(26.3) 1.41(0.83–2.36)
Bereavement No 11(15.3) 1 0.071 13(18.1) 1 0.286
Yes 66(25.6) 1.91(0.95–3.84) 62(24) 1.44(0.74–2.79)
Witness death No 35(18.3) 1 0.009** 35(18.3) 1 0.024*
Yes 42(30.4) 1.95(1.16–3.27) 40(29) 1.82(1.08–3.06)
Extreme Fear No 28(20.6) 1 0.324 13(9.6) 1 0.000***
Yes 49(25.3) 1.33(0.77–2.21) 62(32) 4.44(2.33–8.48)

*p<0.05,

**p<0.01,

***p<0.001.

Abbreviation: No. = number

Anxiety 1 and Anxiety 2 represent Anxiety at 6-month and Anxiety at 12-month, respectively.