Table 1 Comparison of population characteristics between women who completed and failed to complete the PA assessment
From: Changes in physical activity across pregnancy among Chinese women: a longitudinal cohort study
Characteristics | Women who completed both PA assessments in early and mid-to-late pregnancy (n = 2585) | Women failed to complete the PA assessment (n = 2056) | P value |
|---|---|---|---|
Demographic characteristics | |||
Age (years) | 0.058 | ||
< 25 | 314 (12.64) | 299 (14.27) | |
25–29 | 1274 (51.27) | 991 (48.20) | |
30–34 | 638 (25.67) | 568 (27.63) | |
≥ 35 | 259 (10.42) | 198 (9.63) | |
Residential region | < 0.001*a | ||
East | 936 (37.67) | 556(27.04) | |
Central | 770 (30.99) | 795 (38.67) | |
West | 779 (31.35) | 705 (34.29) | |
Ethnicity | 0.213 | ||
Han | 2345 (94.37) | 1922 (93.48) | |
Minority | 140 (5.63) | 134 (6.52) | |
Educational level | < 0.001 | ||
High school or below | 700 (28.17) | 757 (36.82) | |
University or above | 1785 (71.83) | 1299 (63.18) | |
Annual household income (RMB Yuan) | 0.003*b | ||
Low income (< 80,000) | 553 (22.25) | 518 (25.19) | |
Lower medium income (80,000–109,999) | 679 (27.32) | 608 (29.57) | |
Higher medium income (110,000–199,999) | 485 (19.52) | 333(16.20) | |
High income (> 200,000) | 768 (30.91) | 597 (29.04) | |
Occupation | < 0.001*c | ||
Unemployed | 592 (23.82) | 548 (26.68) | |
Manual occupation | 1375 (55.33) | 1001 (48.73) | |
Non-manual occupation | 518 (20.85) | 505 (24.59) | |
Pregnancy characteristics | |||
Parity | < 0.001 | ||
Nulliparity | 1517 (61.05) | 1109 (53.94) | |
Multiparity | 968 (38.95) | 947 (46.06) | |
Pregnancy intention | < 0.001 | ||
Intended | 1849 (74.41) | 1406 (68.39) | |
Unintended | 636 (25.59) | 650 (31.61) | |
Health characteristics | |||
Pre-pregnancy BMI (kg/m2) | 0.855 | ||
< 18.5 | 325 (13.08) | 275 (13.38) | |
18.5–23.9 | 1595 (64.19) | 1327 (64.54) | |
≥ 24 | 565 (22.74) | 454 (22.08) | |
History of smoking | 0.334 | ||
No | 2424 (97.55) | 1996 (97.08) | |
Yes | 61 (2.45) | 60 (2.92) | |
History of drinking | 0.088 | ||
No | 2356 (94.81) | 1925 (93.63) | |
Yes | 129 (5.19) | 131 (6.37) | |