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Table 1 Baseline characteristics of participants contributing one or more biological specimens

From: The effect of an antenatal lifestyle intervention in overweight and obese women on circulating cardiometabolic and inflammatory biomarkers: secondary analyses from the LIMIT randomised trial

Characteristic Lifestyle advice group n = 992 Standard care group n = 969 Total n = 1961
Maternal age (years), mean (SD) 29.3 (5.5) 29.6 (5.6) 29.5 (5.5)
Gestational age at entry (weeks), median (IQR) 14.0 (11.9–16.9) 14.1 (11.9–17.0) 14.1 (11.9–17.0)
Body mass index (kg/m2), median (IQR) 31.2 (28.1–35.9) 31.1 (27.8–35.8) 31.1 (28.0–35.9)
Body mass index category, N (%)
 25.0–29.9 409 (41.2) 408 (42.1) 817 (41.7)
 30.0–34.9 290 (29.2) 286 (29.5) 576 (29.4)
 35.0–39.9 184 (18.5) 159 (16.4) 343 (17.5)
 ≥40.0 109 (11.0) 116 (12.0) 225 (11.5)
 Public patient, N (%) 974 (98.2) 944 (97.4) 1918 (97.8)
 Weight (kg), mean (SD) 88.7 (17.3) 88.5 (17.6) 88.6 (17.4)
 Height (m), mean (SD) 1.6 (0.1) 1.6 (0.1) 1.6 (0.1)
Race: N (%)
 Caucasian 899 (90.6) 885 (91.3) 1784 (91.0)
 Asian 21 (2.1) 30 (3.1) 51 (2.6)
 Other 72 (7.3) 54 (5.6) 126 (6.4)
 Smoker, N (%) 142 (14.3) 116 (12.0) 258 (13.2)
 Nulliparous, N (%) 407 (41.0) 389 (40.1) 796 (40.6)
Index of socio-economic disadvantage, N (%)
 Unknown 1 (0.1) 1 (0.1) 2 (0.1)
 Quintile 1 (Most Disadvantaged) 308 (31.0) 284 (29.3) 592 (30.2)
 Quintile 2 242 (24.4) 238 (24.6) 480 (24.5)
 Quintile 3 156 (15.7) 149 (15.4) 305 (15.6)
 Quintile 4 133 (13.4) 154 (15.9) 287 (14.6)
 Quintile 5 (Least Disadvantaged) 152 (15.3) 143 (14.8) 295 (15.0)