Table 1 Baseline characteristics according to number of live births
From: Associations between live birth and cardiometabolic disease in Southwest Chinese women
Baseline Characteristics | Overall (n = 1,226) | Number of live births | P-value | ||
|---|---|---|---|---|---|
1 (n = 430) | 2 (n = 467) | ≥ 3 (n = 329) | |||
Demographics | Â | Â | Â | Â | Â |
 Enrollment age (years) | 52.77 ± 12.11 | 47.45 ± 8.16 | 50.15 ± 9.93 | 63.45 ± 12.60 | < 0.001 |
 Minority ethnicity (n%) | 17 (1.4) | 4 (0.9) | 9 (1.9) | 4 (1.2) | 0.662 |
 Rural residents (n%) | 377 (30.8) | 134 (31.2) | 138 (29.6) | 105 (31.9) | 0.756 |
 Married (n%) | 1150 (93.8) | 424 (98.6) | 445 (95.3) | 281 (85.4) | < 0.001 |
 CVD family history (n%) | 242 (19.7) | 99 (23.0) | 87 (18.6) | 56 (17.0) | 0.034 |
 Low income (n%) | 342 (27.9) | 126 (29.3) | 114 (24.4) | 102 (31.0) | 0.090 |
 Well educated (n%) | 54 (4.4) | 34 (7.9) | 18 (3.9) | 2 (0.6) | < 0.001 |
Lifestyle habits | Â | Â | Â | Â | Â |
 Smoking, n% | 53 (4.3) | 34 (7.9) | 10 (2.1) | 9 (2.7) | < 0.001 |
 Alcohol intake, n% | 67 (5.5) | 36 (8.4) | 14 (3.0) | 17 (5.2) | 0.030 |
 Insufficient vegetables intakea (n%) | 56 (5.1) | 21 (5.5) | 20 (4.8) | 15 (5.0) | 0.906 |
 Insufficient fruits intakea (n%) | 143 (13.1) | 53 (13.9) | 55 (13.3) | 35 (11.7) | 0.692 |
 Insufficient meat intakea (n%) | 52 (4.8) | 15 (3.9) | 21 (5.1) | 16 (5.4) | 0.640 |
 Insufficient eggs intakea (n%) | 131 (12.0) | 49 (12.9) | 45 (10.9) | 37 (12.4) | 0.666 |
 Milk intakea (n%) | 402 (36.8) | 124 (32.6) | 154 (37.3) | 124 (41.6) | 0.054 |
 Physical inactivitya (n%) | 37 (3.4) | 14 (3.7) | 13 (3.1) | 10 (3.4) | 0.916 |
 Daily sleep durationa (hours) | 7.41 ± 2.31 | 7.52 ± 2.06 | 7.60 ± 2.51 | 7.00 ± 2.29 | 0.001 |
Reproductive factors | Â | Â | Â | Â | Â |
 Age of menarche (years) | 14.55 ± 2.08 | 13.75 ± 1.59 | 14.56 ± 1.98 | 15.60 ± 2.33 | < 0.001 |
 Number of gravidities | 3 (3–5) | 3 (2–4) | 3 (2–4) | 5 (4–6) | < 0.001 |
 OCT history (n%) | 78 (6.4) | 32 (7.4) | 32 (6.9) | 14 (4.3) | 0.084 |
 HRT history (n%) | 48 (3.9) | 24 (5.6) | 12 (2.6) | 12 (3.6) | 0.130 |
 Number of miscarriages | 1 (0–3) | 2 (1–3) | 1 (0–2) | 1 (0–2) | < 0.001 |
 Menopausal status (n%) | 590 (48.1) | 137 (31.9) | 199 (42.6) | 254 (77.2) | < 0.001 |
 Age of menopauseb (years) | 48.22 ± 4.09 | 48.47 ± 3.58 | 48.29 ± 3.84 | 48.03 ± 4.53 | 0.563 |
Pregnancy complications | Â | Â | Â | Â | Â |
 Gestational hypertensionc (n%) | 60 (6.6) | 37 (9.5) | 21 (5.3) | 2 (1.7) | 0.004 |
 Gestational diabetesc (n%) | 81 (9.0) | 47 (12.0) | 29 (7.3) | 5 (4.2) | 0.011 |
 Preeclampsiac (n%) | 41 (4.5) | 25 (6.4) | 15 (3.8) | 1 (0.8) | 0.025 |