Table 2 Sociodemographic details of participants (N = 399)

Age (years)^a

31.68 ± 4.60

Gestational weeks^a

25.49 ± 8.40

Race

Malay

Chinese

Indian

Others

342 (85.5)

32 (8.0)

15 (3.8)

11 (2.8)

Educational level

None

Primary

Secondary

Tertiary

5 (1.3)

7 (1.8)

70 (17.5)

318 (79.5)

Household income

Low

Moderate

High

61 (15.3)

234 (58.5)

105 (26.3)

Pre-pregnancy BMI^a

Underweight

Normal

Overweight

Obese

25.16 ± 6.01

29 (9.0)

155 (48.0)

81 (25.1)

58 (18.0)