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Table 4 Survey-weighted multivariable logistic regression analysis to determine factors associated with HIV/AIDS knowledge level over years using the Multiple Indicator Cluster Surveys 2007, 2011, and 2016–2017 among women 15–49 years in Nigeria

From: Trends of HIV/AIDS knowledge and attitudes among Nigerian women between 2007 and 2017 using Multiple Indicator Cluster Survey data

Variable

2007

2011

2017

uOR

(95% CI)

aOR

(95% CI)

uOR

(95% CI)

aOR

(95% CI)

uOR

(95% CI)

aOR

(95% CI)

Age group

 15–19

Ref

Ref

Ref

Ref

Ref

Ref

 20–24

1.27 (1.11;1.45)**

1.34 (1.16;1.55)***

1.14 (1.01;1.28)*

1.25 (1.12;1.40)***

1.10 (0.97;1.24)

1.03 (0.89;1.19)

 25–29

1.21 (1.06;1.39)**

1.34 (1.15;1.57)***

1.26 (1.11;1.43)***

1.32 (1.14;1.52)***

1.13 (1.00;1.28)*

1.07 (0.91;1.26)

 30–34

1.13 (0.98;1.29)

1.31 (1.10;1.56)**

1.29 (1.15;1.46)***

1.43 (1.22;1.67)***

1.10 (0.97;1.24)

0.99 (0.84;1.17)

 35–39

1.16 (1.01;1.34)*

1.45 (1.22;1.73)***

1.26 (1.12;1.43)***

1.37 (1.17;1.60)***

1.13 (0.99;1.28)

1.11 (0.93;1.33)

 40–44

0.85 (0.74;0.99)*

1.15 (0.95;1.38)

1.13 (0.98;1.29)

1.41 (1.19;1.68)***

1.15 (1.00;1.32)

1.28 (1.06;1.55)*

 45–49

0.98 (0.84;1.15)

1.42 (1.15;1.76)**

1.12 (0.97;1.30)

1.50 (1.25;1.80)***

0.96 (0.82;1.11)

1.08 (0.89;1.31)

Marital status

 Currently married

Ref

Ref

Ref

Ref

Ref

Ref

 Formerly married

0.89 (0.75;1.06)

0.99 (0.82;1.19)

1.05 (0.89;1.23)

0.94 (0.78;1.13)

1.35 (1.15;1.60)***

1.30 (1.08;1.57)***

 Never married

1.16 (1.05;1.28)**

1.13 (0.97;1.30)

1.14 (1.04;1.26)**

1.08 (0.93;1.25)

1.21 (1.10;1.33)***

1.43 (1.25;1.64)***

Educational level*

 None

Ref

Ref

Ref

Ref

Ref

Ref

 Non-formal

1.19 (1.06;1.34)**

1.39 (1.21;1.60)***

1.19 (1.04;1.37)*

1.08 (0.92;1.26)

 Primary

1.92 (1.72;2.15)***

2.01 (1.73;2.34)***

1.57 (1.37;1.79)***

1.37 (1.18;1.58)***

1.61 (1.40;1.85)***

1.24 (1.06;1.45)**

 Secondary and above

1.56 (1.06;2.30)*

1.22 (0.83;1.80)

2.73 (2.39;3.11)***

2.05 (1.76;2.38)***

3.68 (3.09;4.38)***

2.01 (1.64;2.46)***

 Higher

1.13 (0.94;1.36)

1.06 (0.87;1.31)

Wealth Index

 Poorest

Ref

Ref

Ref

Ref

Ref

Ref

 Second

1.23 (1.05;1.45)*

1.12 (0.96;1.32)

1.47 (1.27;1.70)***

1.32 (1.11;1.59)**

1.10 (0.95;1.29)

1.02 (0.88;1.19)

 Middle

1.59 (1.33;1.91)***

1.41 (1.18;1.68)***

2.29 (1.98;2.64)***

1.71 (1.40;2.08)***

1.35 (1.13;1.62)**

1.07 (0.88;1.30)

 Fourth

1.69 (1.41;2.02)***

1.43 (1.18;1.74)***

2.90 (2.48;3.39)***

1.74 (1.40;2.18)***

1.65 (1.40;1.95)***

1.03 (0.84;1.26)

 Richest

2.61 (2.16;3.15)***

1.95 (1.56;2.43)***

3.94 (3.38;4.59)***

1.99 (1.60;2.46)***

2.68 (2.28;3.15)***

1.31 (1.06;1.63)*

Area

 Rural

Ref

Ref

Ref

Ref

Ref

Ref

 Urban

1.56 (1.37;1.77)***

1.09 (0.93;1.27)

1.79 (1.57;2.03)***

1.20 (0.99;1.45)

1.91 (1.70;2.15)***

1.40 (1.21;1.61)***

Zone

 North Central

Ref

Ref

Ref

Ref

Ref

Ref

 North East

0.56 (0.44–0.73)***

0.82 (0.64;1.04)

1.02 (0.75;1.40)

1.79 (1.34;2.40)***

1.29 (1.04;1.60)*

1.61 (1.32;1.98)***

 North West

1.57 (1.29;1.90)***

2.22 (1.83;2.70)***

1.38 (1.11;1.72)**

2.22 (1.74;2.85)***

1.21 (1.03;1.42)*

1.66 (1.39;1.99)***

 South East

1.30 (1.08;1.58)**

0.90 (0.74;1.08)

1.86 (1.58;2.19)***

1.61 (1.36;1.90)***

1.12 (0.96;1.31)

0.92 (0.78;1.07)

 South South

1.12 (0.92;1.36)

0.84 (0.69;1.02)

2.18 (1.82;2.60)***

1.79 (1.50;2.15)***

1.32 (1.13;1.55)***

1.14 (0.97;1.35)

 South West

1.30 (1.07;1.57)**

0.84 (0.70;1.02)

2.32 (1.98;2.73)***

1.61 (1.34;1.93)***

1.52 (1.29;1.79)***

1.07 (0.90;1.27)

HIV Testing

 No

Ref

Ref

Ref

Ref

Ref

Ref

 Yes

1.55 (1.34;1.81)***

1.27 (1.08;1.49)**

2.10 (1.89;2.32)***

1.50 (1.36;1.66)***

2.30 (2.09;2.52)***

2.16 (1.93;2.41)***

  1. Abbreviations: uOR unadjusted odds ratio, aOR adjusted odds ratio, CI confidence interval, Ref Reference group, HIV human immunodeficiency virus
  2. P-values of the Archer Lemeshow test statistics for design-based regression models for the ‘HIV knowledge’ outcome variable were 0.04 for 2007, 0.02 for 2011 and 0.05 for 2017
  3. *p < 0.05, **p < 0.01, ***p < 0.001