Table 1 Demographic data of mothers and their infants (N = 65)

Maternal characteristics

n (%)

 Maternal age (y), mean (standard deviation)

33.98 (4.11)

 Parity

  1

44 (68)

  More than 1

21 (32)

 Educational level

  High school

7 (11)

  Bachelor’s degree

46 (71)

  Master’s or higher

12 (18)

 Income (Baht per month)

  Less than 20,000

14 (22)

  20,001–50,000

34 (52)

  More than 50,000

17 (26)

 Marital status

  Married

62 (96)

  Other

3 (4)

 Underlying diseases or complications during pregnancy

12 (19)

Infant characteristics

n (%)

 Infant age

  6–12 months

14 (22)

  1–2 years

31 (48)

  More than 2 years

20 (30)

 Birthweight (g), median (interquartile range)

2950 (2535–3365)

 Gestational age (weeks)

  35–37

13 (20)

  38–40

52 (80)

 Infant illness during the first 28 days

9 (14)

 Delivery type

  Vaginal delivery

18 (28)

  Cesarean delivery

47 (72)

 Delivery hospital

  Public hospital

51 (78)

  Private hospital

14 (22)