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Table 3 Factors associated with early sexual debut among adolescent girls and young women in Sierra Leone

From: Early sexual debut among adolescent girls and young women in Sierra Leone: A multilevel analysis of prevalence and predictors

Variables

Model I

Empty model

Model II

aOR [95% CI]

Model III

aOR [95% CI]

Model IV

aOR [95% CI]

Fixed effect results

    

Age (years)

    

15–19

 

1.00

 

1.00

20–24

 

0.52*** [0.41,0.64]

 

0.52*** [0.41,0.65]

Level of education

    

No education

 

1.00

 

1.00

Primary

 

1.04 [0.75,1.43]

 

1.05 [0.77,1.45]

Secondary/higher

 

0.59** [0.43,0.82]

 

0.62** [0.45,0.85]

Current working status

    

Not working

 

1.00

 

1.00

Working

 

1.42** [1.13,1.78]

 

1.41** [1.12,1.77]

Read newspapers or magazines

    

Not at all

 

1.00

 

1.00

Less than once a week

 

0.73 [0.46,1.15]

 

0.74 [0.46,1.17]

At least once a week

 

1.14 [0.54,2.38]

 

1.18 [0.57,2.45]

Listen to radio

    

Not at all

 

1.00

 

1.00

Less than once a week

 

1.10 [0.81,1.50]

 

1.11 [0.81,1.50]

At least once a week

 

0.91 [0.69,1.21]

 

0.91 [0.69,1.21]

Watch television

    

Not at all

 

1.00

 

1.00

Less than once a week

 

1.00 [0.71,1.42]

 

1.05 [0.74,1.48]

At least once a week

 

0.95 [0.61,1.47]

 

1.02 [0.64,1.62]

Use internet

    

Never

 

1.00

 

1.00

Yes, the last 12 months

 

0.48*** [0.33,0.70]

 

0.50*** [0.34,0.73]

Yes, before the last 12 months

 

1.55 [0.77,3.15]

 

1.57 [0.76,3.22]

Marital status

    

Never married

 

1.00

 

1.00

Married/cohabiting

 

1.72*** [1.32,2.23]

 

1.72*** [1.32,2.22]

Previously married

 

3.34*** [1.64,6.81]

 

3.26** [1.61,6.56]

Ethnicity

    

Creole

 

1.00

 

1.00

Fullah

 

0.27* [0.08,0.91]

 

0.25* [0.07,0.85]

Kono

 

0.71 [0.21,2.43]

 

0.64 [0.19,2.19]

Limba

 

0.68 [0.21,2.22]

 

0.58 [0.18,1.85]

Loko

 

0.55 [0.14,2.18]

 

0.47 [0.12,1.84]

Madingo

 

0.60 [0.17,2.08]

 

0.54 [0.16,1.86]

Mende

 

0.80 [0.27,2.39]

 

0.78 [0.26,2.33]

Sherbro

 

0.49 [0.09,2.69]

 

0.46 [0.08,2.57]

Temne

 

0.67 [0.22,2.02]

 

0.57 [0.19,1.71]

Korankoh

 

0.56 [0.15,2.16]

 

0.49 [0.13,1.85]

Others

 

0.97 [0.28,3.30]

 

0.85 [0.25,2.90]

Ever heard of STIs

    

No

 

1.00

 

1.00

Yes

 

0.65 [0.39,1.09]

 

0.65 [0.39,1.09]

Contraceptive use and intention

    

Using

 

1.00

 

1.00

Intend to use

 

0.61*** [0.47,0.78]

 

0.60*** [0.46,0.77]

Does not intend to use

 

0.66** [0.49,0.89]

 

0.65** [0.49,0.88]

Wealth index

    

Poorest

  

1.00

1.00

Poorer

  

1.12 [0.80,1.56]

1.12 [0.79,1.59]

Middle

  

0.74 [0.51,1.07]

0.77 [0.51,1.15]

Richer

  

0.58* [0.35,0.96]

0.63 [0.38,1.07]

Richest

  

0.41** [0.22,0.80]

0.55 [0.28,1.08]

Place of residence

    

Urban

  

1.00

1.00

Rural

  

1.22 [0.77,1.91]

0.85 [0.53,1.36]

Province

    

Eastern

  

1.00

1.00

Northern

  

1.17 [0.80,1.71]

1.51 [0.91,2.50]

North Western

  

1.60* [1.03,2.48]

1.81* [1.05,3.13]

Southern

  

0.69 [0.47,1.02]

0.66 [0.43,1.01]

Western

  

0.71 [0.42,1.20]

1.02 [0.55,1.89]

Random effect model

    

PSU variance (95% CI)

2.68 [2.10, 3.42]

2.34 [1.82, 3.01]

2.22 [1.75, 2.81]

2.25 [1.77, 2.86]

ICC

0.45 [0.39, 0.51]

0.42 [0.36,0.48]

0.40 [0.35,0.46]

0.41 [0.35, 0.47

N

4438

4438

4438

4438

Number of clusters

572

572

572

572

  1. aOR = adjusted odds ratios; CI = Confidence Interval; * p < 0.05, ** p < 0.01, *** p < 0.001; 1.00 = Reference category; PSU = Primary Sampling Unit; ICC = Intraclass Correlation Coefficient