Table 1 The demographic and the health related characteristics among physical activity groups of the last 2 trimesters (n = 862)
| Â | Â | Â | Sedentary | Low active | Somewhat active | Active | P |
|---|---|---|---|---|---|---|---|
| Â | Â | Â | (n = 149) | (n = 343) | (n = 252) | (n = 118) | Â |
Age (year)() | 27.2 ± 2.5 | 27.3 ± 2.5 | 26.8 ± 2.1 | 27.1 ± 2.8 | 0.15†| ||
Pre-pregnancy height (cm) () | 162 ± 5 | 161 ± 4 | 161 ± 4 | 161 ± 5 | 0.81†| ||
Pre-pregnancy body weight (kg) () | 53.5 ± 7.3 | 52.7 ± 6.6 | 52.2 ± 6.4 | 51.3 ± 6.1 | 0.05†* | ||
Pre-pregnancy BMI(kg/m2)() | 20.5 ± 2.5 | 20.3 ± 2.3 | 20.1 ± 2.2 | 19.8 ± 2.1 | 0.07†| ||
Food energy intake (kcal)/d () | 2507 ± 228 | 2520 ± 241 | 2490 ± 247 | 2527 ± 257 | 0.40†| ||
Gestational age (week) () | 39.6 ± 1.0 | 39.4 ± 1.2 | 39.5 ± 1.0 | 39.5 ± 1.3 | 0.36†| ||
Education n(%) | Junior | middle school | 7(18.9) | 14(37.8) | 8(21.6) | 8(21.6) | 0.92‡ |
| Â | Senior | Â | 15(16.9) | 36(40.4) | 23(25.8) | 15(16.9) | Â |
| Â | Vocational | Â | 23(18.5) | 49(39.5) | 34(27.4) | 18(14.5) | Â |
| Â | College | 56(17.3) | 131(40.6) | 101(31.3) | 35(10.8) | Â | |
| Â | University | 48(16.6) | 113(39.1) | 86(29.8) | 42(14.5) | Â | |
Job type n (%) | Office work | 95(15.9) | 241(40.4) | 183(30.7) | 77(12.9) | 0.17# | |
| Â | Non office work | 22(21.4) | 41(39.8) | 20(19.4) | 20(19.4) | Â | |
| Â | Others | 32(19.6) | 61(37.4) | 49(30.1) | 21(12.9) | Â | |
Family Income n (%) | ≤ 4000(RMB*) | 80(15.2) | 212(40.2) | 153(29.0) | 82(15.6) | 0.01‡,* | |
| Â | 4000 ~ 8000 (RMB*) | 56(19.6) | 107(37.5) | 92(32.3) | 30(10.5) | Â | |
| Â | > 8000 (RMB*) | 13(26.0) | 24(48.0) | 7(14.0) | 6(12.0) | Â | |
Partner smokes n (%) | Yes | 71(17.4) | 165(40.5) | 116(28.5) | 55(13.5) | 0.96# | |
| Â | No | 78(17.1) | 178(39.1) | 136(29.9) | 63(13.8) | Â | |