Table 1 Participant Characteristics
All | South Africa | Zimbabwe | ||||
|---|---|---|---|---|---|---|
n = 312 | % | n = 224 | % | n = 88 | % | |
Age (years) | ||||||
Less than 20 | 1 | 0.3 | 0 | 0 | 1 | 1.1 |
20 to less than 35 | 255 | 81.7 | 182 | 81.3 | 73 | 83 |
35 and older | 56 | 17.9 | 42 | 18.8 | 14 | 17.9 |
Parity | ||||||
1 | 121 | 38.8 | 93 | 41.5 | 28 | 31.8 |
2 | 111 | 35.6 | 79 | 35.3 | 32 | 36.4 |
3 or more | 79 | 25.3 | 51 | 22.8 | 28 | 31.8 |
Missing | 1 | 0.3 | 1 | 0.4 | 0 | 0 |
Months in study from admission to 20 weeks´ gestation | ||||||
Mean (sd) | 312 | 12.5 (7.4) | 224 | 13.1 (7.4) | 88 | 11.0 (7.4) |
Less than 6 month | 94 | 30.1 | 60 | 26.8 | 34 | 38.6 |
6 to less than 12 month | 88 | 28.2 | 59 | 26.3 | 29 | 33.0 |
12 to less than 24 month | 97 | 31.1 | 79 | 35.3 | 18 | 20.5 |
24 or more month | 32 | 10.3 | 25 | 11.2 | 7 | 8.0 |
Missing | 1 | 0.3 | 1 | 0.4 | 0 | 0 |
Months since last birth with PE to 20 weeks´ gestation | ||||||
Mean (sd) | 312 | 24.5 (22.5) | 224 | 30.3 (23.7) | 88 | 27.4 (19.0) |
Less than 6 month | 9 | 2.9 | 7 | 3.1 | 2 | 2.3 |
6 to less than 12 month | 54 | 17.3 | 39 | 17.4 | 15 | 17.0 |
12 to less than 24 month | 94 | 30.1 | 62 | 27.7 | 32 | 36.4 |
24 or more month | 135 | 43.3 | 102 | 45.5 | 33 | 37.5 |
Missing | 20 | 6.4 | 14 | 6.3 | 6 | 6.8 |
Anthropometric variables | ||||||
Height at admission - mean (sd) | 286 | 160.3 (6.4) | 202 | 159.9 (6.4) | 84 | 161.1 (6.4) |
Weight at admission - mean (sd) | 302 | 76.1 (17.4) | 217 | 78.9 (18.2) | 85 | 69.0 (12.6) |
Weight at week 8 of gestation - mean (sd) | 251 | 77.1 (16.9) | 173 | 80.2 (17.7) | 78 | 70.2 (12.4) |
Weight at week 20 of gestation - mean (sd) | 300 | 80.2 (17.5) | 215 | 83.5 (18.1) | 85 | 71.9 (12.6) |
Weight at week 32 of gestation - mean (sd) | 224 | 84.0 (17.0) | 158 | 88.2 (17.5) | 66 | 74.0 (10.1) |
Mean BMI at admission - mean (sd) | 283 | 29.6 (6.3) | 201 | 30.7 (6.6) | 82 | 26.8 (4.5) |
Body Mass Index at admission | ||||||
Underweight (BMI < 18.5 kg/m2) | 3 | 1.0 | 2 | 0.9 | 1 | 1.1 |
Normal (18.5 BMI < 25 kg/m2) | 62 | 19.9 | 34 | 15.2 | 28 | 31.8 |
Overweight (25 BMI < 30 kg/m2) | 95 | 30.4 | 62 | 27.7 | 33 | 37.5 |
Obesity I (30 BMI 35 kg/m2) | 75 | 24.0 | 58 | 25.9 | 17 | 19.3 |
Obesity II (35 BMI 40 kg/m2) | 32 | 10.3 | 30 | 13.4 | 2 | 2.3 |
Obesity III (BMI > 40 kg/m2) | 16 | 5.1 | 15 | 6.7 | 1 | 1.1 |
Missing | 29 | 9.3 | 23 | 10.3 | 6 | 6.8 |