Table 1.
Participant characteristics
| Characteristics (n = 368) | Mean (SD) |
|---|---|
| Gestation (weeks) | 20.8 (5.5) |
| Gestation at first clinic visit (weeks) | 16.1 (4.3) |
| n (%) | |
| Maternal age (mean 32.5 years, SD 4.5) | |
| ≤25 years | 20 (5.4) |
| 26–30 years | 142 (38.6) |
| 31–35 years | 119 (32.3) |
| ≥36 years | 87 (23.6) |
| Country of birth | |
| Australia | 230 (62.5) |
| Overseas | 138 (37.5) |
| Aboriginal/Torres Strait Islander | |
| Yes | 1 (0.3) |
| No | 367 (99.7) |
| Language | |
| English | 244 (66.3) |
| LOTE | 124 (33.7) |
| Relationship status | |
| Married/defacto | 360 (97.8) |
| Separated/widowed/never married | 8 (2.2) |
| Education | |
| Secondary or less | 40 (10.9) |
| Trade/Certificate or Diploma | 101 (27.5) |
| Tertiary | 227 (61.7) |
| Main daily activity | |
| Working full time | 137 (37.2) |
| Working part time | 118 (32.1) |
| Raising children | 92 (25.0) |
| Unemployed | 13 (3.5) |
| Studying full time | 8 (2.2) |
| Household income | |
| <$51,999 | 72 (19.6) |
| $52–77,999 | 64 (17.4) |
| $78–99,999 | 72 (19.6) |
| >$99,999 | 109 (29.6) |
| Did not answer | 51 (13.9) |
| Single/multiple pregnancy | |
| Single | 360 (97.8) |
| Multiple | 8 (2.2) |
| Parity | |
| 0 | 173 (47.0) |
| ≥1 | 195 (53.0) |
| BMI kg/m2 (mean 24.6, SD 5.6) | |
| Underweight (<18.5 kg/m2) | 18 (4.9) |
| Healthy weight (18.5–24.9 kg/m2) | 219 (59.5) |
| Overweight (25–29.9 kg/m2) | 75 (20.4) |
| Obese (30–34.9 kg/m2) | 56 (15.2) |
| Use internet | |
| Yes | 363 (99.2) |
| No | 3 (0.8) |
| Mobile phone ownership | |
| Yes | 362 (98.6) |
| No | 5 (1.4) |
BMI body mass index, LOTE, language other than English, SD standard deviation