Table 2 Demographic characteristic of study participants.
Variable | Cases (n = 25) | Controls (n = 50) | p-value | ||
|---|---|---|---|---|---|
n or M | (%) or SD | n or M | (%) or SD | ||
Male sex | 20 | (80%) | 40 | (80%) | 1 |
Infant birthweight | 3488 | SD 532 | 3496 | SD 455 | 0.80 |
Gestational age | 39.65 | SD 1.5 | 39.78 | SD 1.5 | 0.75 |
Customised birthweight centile | 48.23 | SD 26.5 | 51.90 | SD 26.9 | 0.51 |
Maternal age | 30.76 | SD 5.3 | 31.46 | SD 3.9 | 0.52 |
18–28 | 8 | (32%) | 9 | (18%) | 0.26 |
29–39 | 17 | (68%) | 39 | (78%) | |
> 40 | 0 | (0%) | 2 | (4%) | |
Maternal BMI | 25.80 | SD 4.9 | 25.23 | SD 4.0 | 0.60 |
Underweight | 1 | (4%) | 1 | (2%) | 0.25 |
Normal | 13 | (52%) | 26 | (52%) | |
Overweight | 7 | (28%) | 14 | (28%) | |
Obese | 4 | (16%) | 9 | (18%) | |
Apgar 1 min < 7 | 4 | (16%) | 3 | (6%) | 0.16 |
Apgar 5 min < 7 | 1 | (4%) | 1 | (2%) | 0.61 |
Marital status | 0.87 | ||||
Single | 2 | (8%) | 3 | (6%) | |
Married | 20 | (80%) | 39 | (78%) | |
De facto | 3 | (12%) | 8 | (16%) | |
Smoked (pregnancy) | 0.85 | ||||
No | 20 | (80%) | 37 | (74%) | |
Yes, but stopped | 2 | (8%) | 5 | (10%) | |
Still smoking | 3 | (12%) | 8 | (16%) | |
PSS (moderate or high) | 8 | (32%) | 24 | (48%) | 0.24 |
Past medical history | |||||
Anaemia | 2 | (8%) | 8 | (16%) | 0.34 |
Thyroid disease | 4 | (16%) | 3 | (6%) | 0.26 |
Depression | 2 | (8%) | 5 | (10%) | 0.74 |
Asthma | 4 | (16%) | 5 | (10%) | 0.41 |
Intrapartum infection (< 20w) | |||||
Respiratory tract infection (RTI) | 3 | (12%) | 13 | (26%) | 0.16 |
Urinary tract infection (UTI) | 2 | (8%) | 7 | (14%) | 0.45 |
Gastroenteritis (GE) | 0 | (0%) | 2 | (4%) | 0.31 |
