Table 4 Unadjusted and adjusted logistic regression analysis of contraceptive use by knowledge of contraceptive and covariates, NDHS 2018

Knowledge of contraceptives

  No (Ref.)

1.00

1.00

  Yes

3.90 (2.91–5.21)***

1.40 (0.93–2.11)

Marital status

  Never in union (Ref.)

1.00

-

  Married/living with a partner

1.34 (1.14–1.58)***

-

  Widowed/divorced/separated

1.10 (0.82–1.48)

-

Age

  15—24 (Ref.)

1.00

1.00

  25 – 34

2.14 (1.77–2.60)***

1.05 (0.72–1.53)

  35 and above

1.59 (1.31–1.94)***

0.87 (0.58–1.30)

Educational attainment

  No education/primary (Ref.)

1.00

1.00

  Secondary/tertiary

1.57 (1.29–1.92)***

1.34 (1.00–1.78)*

Partner's educational attainment

  No education/primary (Ref.)

1.00

1.00

Secondary/tertiary

2.14 (1.59–2.88)***

1.74 (1.25–2.43)**

Children ever born

  0 (Ref.)

1.00

1.00

  1—4 Children

1.50 (1.25–1.80)***

0.47 (0.11–1.99)

  5 children and above

1.68 (1.35–2.07)***

0.42 (0.09–1.91)

Number of living children

  0 (Ref.)

1.00

1.00

  1—4 Children

1.52 (1.28–1.82)***

3.24 (0.77–13.70)

  5 children and above

1.75 (1.40–2.19)***

4.10 (0.90–18.65)

Currently working

  No (Ref.)

1.00

1.00

  Yes

1.73 (1.44–2.08)***

1.16 (0.85–1.59)

Wealth index

  Poor (Ref.)

1.00

1.00

  Middle

1.25 (0.95–1.65)

1.55 (1.04–2.32)*

  Rich

1.77 (1.38–2.25)***

1.87 (1.28–2.73)**

Religion

  Catholic (Ref.)

1.00

1.00

  Other Christians

0.90 (0.71–1.15)

0.92 (0.66–1.27)

  Islam & others

0.23 (0.13–0.39)***

0.54 (0.27–1.06)

Place of residence

  Urban (Ref.)

1.00

1.00

  Rural

0.83 (0.71–0.97)*

0.94 (0.74–1.19)

State of origin

  Edo (Ref.)

1.00

1.00

  Cross River

1.05 (0.78–1.41)

1.05 (0.72–1.54)

  Akwa Ibom

1.05 (0.79–1.39)

1.04 (0.71–1.52)

  Rivers

2.59 (2.02–3.32)***

1.63 (1.18–2.24)**

  Bayelsa

0.18 (0.12–0.29)***

0.17 (0.10–0.29)***

  Delta

0.72 0.53–0.97)

0.68 (0.47–1.00)