Risk Factors for Excessive Gestational Weight Gain in a Healthy, Nulliparous Cohort
Table 2
Demographic details by centre of those included and excluded from study.
Auckland cohort
Adelaide cohort
Cork cohort
Included
Excluded
P
Included
Excluded
P
Included
Excluded
P
Age (years)*
30.4 (4.9)
30.4 (4.7)
0.88
24.3 (5.0)
23.4 (5.2)
0.005
29.9 (4.5)
30.1 (4.5)
0.39
Caucasian ethnicity*
216 (82)
1480 (85)
0.27
435 (92)
624 (92)
0.85
1183 (98)
547 (98)
0.99
Body mass index (kg/m2)*
24.5 (3.7)
24.8 (4.2)
0.36
27.5 (6.2)
26.7 (6.8)
0.04
25.0 (4.2)
24.6 (4.1)
0.07
Socioeconomic index score*
48 (15)
48 (15)
0.61
28 (10)
28 (10)
0.59
42 (16)
43 (16)
0.06
Smoking status*
0.72
0.008
0.39
Nonsmoker
230 (87)
1545 (88)
313 (66)
389 (57)
872 (72)
411 (73)
Stopped during pregnancy
25 (10)
141 (8)
68 (14)
108 (16)
210 (17)
101 (18)
Current smoker
9 (3)
66 (4)
94 (20)
182 (27)
129 (11)
48 (9)
Data are mean (SD) or number (%) as appropriate. Data collected at 14–16 weeks of gestation. P value comparison is between “included in cohort” versus “not included in cohort” GWG groups using Chi-square or independent samples -test.
