Variables

Mean rank

Bi-variate analysis

Maternal age

−0.07_(Sp)

Pre-pregnancy BMI

Underweight

64.94

0.96_(Kr)

Normal weight

58.23

Overweight/obese

57.59

Occupational status

Employment

57.18

2.88_(Kr)

Self-employment

60.41

Others

73.53

Education level

Under university level

50.44

−1.1_(M)

University level and higher

72

Gestational age

First trimester

59.36

${7.64}_{\left(\text{Kr}\right)}^{*}$

Second trimester

44.44

Third trimester

66.18

Gravida groups

Primigravida

56.49

−1.28_(M)

Multigavida

64.53

Parity groups

Nullipara

56.32

Primipara

61.47

$\text{6}.{\text{3}}_{\left(\text{Kr}\right)}^{*}$

Multipara

92.42

Overall sleep hygiene practices

$0.{\text{43}}_{\left(\text{sp}\right)}^{***}$