Table 5 Shows factors associated with insomnia among pregnant women in Ibadan, Nigeria (Crude and adjusted odds ratios and 95% Confidence Intervals)

Age

Less than 35

1

 1

35 and above

1.97 (1.2–3.14)

0.005

1.83 (1.11–3.01)

0.018*

Education

Primary or less

1

Secondary

1.29 (0.27–6.24)

0.755

Tertiary or higher

2.88 (0.61–13.52)

0.181

Religion

Christianity

1

1

Islam

0.64 (0.44 - 0.94)

0.024

0.85 (0.55–1.29)

0.432

Marital status

Not currently married

1

Currently married

4.16 (0.95–18.33)

0.059

Income (monthly income in naira)

Less than 20,000

1

20,000–99,999

3.44 (1.70–6.96)

0.001

3.61 (1.73–7.53)

0.001*

100,000 and above

3.39 (1.49–7.69)

0.004

2.99 (1.26–7.16)

0.013*

Employment

Not employed

1

Employed

0.47 (0.24–0.96)

0.037

0.49 (0.23–1.09)

0.081

Parity

Nullipara

1

Primiparous

1.12 (0.73–1.74)

0.602

Multiparous

0.69 (0.43–1.12)

0.132

Gravidity

Primigravida

1

Multigravida

1.02 (0.69–1.49)

0.928

Walking

No

1

Yes

1.00 (0.59–1.69)

0.989

Moderate physical activity

No

1

Yes

1.40 (0.85–2.32)

0.186

Rigorous physical activity

No

1

 1

Yes

1.85 (1.25–2.75)

0.002

2.55 (1.61–4.02)

0.001*

Dietary diversity

Inadequate

1

Adequate

1.53 (0.81–2.90)

0.188

Pre-pregnancy smoking

No

1

 1

Yes

3.47 (1.24–9.72)

0.018

1.47 (0.48–4.51)

0.504

Pregnancy smoking

No

1

Yes

0.79 (0.15–4.14)

0.785

Second-hand smoking

No

1

 1

Yes

12.81 (2.83–57.95)

0.001

17.89 (3.54–90.41)

<0.001*

Pre-pregnancy alcohol consumption

No

1

Yes

1.49 (0.78–2.81)

0.221

Pregnancy alcohol consumption

No

1

Yes

1.35 (0.54–3.36)

0.524

Gestational age

1st Trimester

1

2nd Trimester

1.03 (0.36–3.00)

0.953

3rd Trimester

0.97 (0.35–2.69)

0.954