Proportion of respondents reporting each socio-economic indicator in each round and the extent of agreement between each round for respondents using IAQ in one round and self-administered in the other.

a<p>Interview-administered questionnaire completed in round 1.</p>b<p>Self-administered questionnaire mode (i.e. SAQ, AudioSAQ or ACASI) completed in round 2.</p>c<p>Self-administered questionnaire mode completed in round 1.</p>d<p>Interview-administered questionnaire mode completed in round 2.</p

Proportion of respondents reporting each socio-economic indicator and risk ratio by questionnaire delivery mode.

1<p>IAQ = Interviewer administered questionnaire;</p>2<p>SAQ = Self-administered questionnaire;</p>3<p>AudioSAQ = Audio self-administered questionnaire;</p>4<p>ACASI = Audio-computer assisted self-interview.</p

Relationship between classification of socio-economic position and questionnaire delivery mode for each socio-economic domain.

1<p>IAQ = Interviewer administered questionnaire;</p>2<p>SAQ = Self-administered questionnaire;</p>3<p>AudioSAQ = Audio self-administered questionnaire;</p>4<p>ACASI = Audio-computer assisted self-interview.</p>5<p>Chi-square test;</p>6<p>Oneway analysis of variance <i>F-test</i>;</p>7<p>Crude odds ratio calculated using ordinal logistic regression for asset wealth and essential item SEP scores.</p

Proportion of respondents reporting each socio-economic indicator in each round and the extent of agreement between each round for respondents using the same mode of questionnaire delivery in Rounds 1 and 2.

a<p>Interview-administered questionnaire completed in round 1.</p>b<p>Interview-administered questionnaire mode completed in round 2.</p>c<p>Self-administered questionnaire mode (i.e. SAQ, AudioSAQ or ACASI) completed in round 1.</p>d<p>Self-administered questionnaire mode completed in round 2.</p

Demographic characteristics by questionnaire delivery mode.

1<p>IAQ = Interviewer administered questionnaire;</p>2<p>SAQ = Self-administered questionnaire;</p>3<p>AudioSAQ = Audio self-administered questionnaire;</p>4<p>ACASI = Audio-computer assisted self-interview.</p

Proportion of participants reporting individual wealth indicators.

<p>Proportion of participants reporting individual wealth indicators.</p

Socio-economic position as a risk factor for HIV infection among females by socio-economic domain.

<p>¹ Adjusted for age, age of household head, education, marital status & alcohol consumption.</p><p>² Adjusted for variables in model 3 & knowledge around pregnancy prevention, attitudes around sexual partners & condom self-efficacy.</p><p>³ Adjusted for variables in model 4 & age of sexual partners.</p><p>⁴ Adjusted for variables in model 5 & condom use at last sex & HSV-2 infection.</p><p>⁵ Food insufficiency—reported adult skipping meals and/or going day without food; going to bed hungry; <2 meals per day.</p><p>Socio-economic position as a risk factor for HIV infection among females by socio-economic domain.</p

Characteristics of female participants by socio-economic position (SEP) and SEP domain.

<p>¹ Wealthiest category (SEP1);</p><p>² Poorest category (SEP3);</p><p>³ P-value from Chi-square test, Mantel-Haenszel test-for-trend (<i>given in italics where chi-square p</i>≤0.05) or Cox proportional hazard depending on type of data;</p><p>⁴ Column percentages (%);</p><p>⁵ Reference category includes those who have never had sex.</p><p>Characteristics of female participants by socio-economic position (SEP) and SEP domain.</p

A conceptual framework for the association between domains of socio-economic position and HIV infection in young rural Zimbabwean women.

<p>A conceptual framework for the association between domains of socio-economic position and HIV infection in young rural Zimbabwean women.</p

Socio-economic position as a risk factor for reporting risky sexual behaviour by socio-economic domain.

<p>¹ ‘High risk’ behaviour defined as 2 or more risky behaviours: sexual debut ≤17yrs; ≥2 lifetime partners; any partner ≥6 years older; not using a condom at last sex.</p><p>² Adjusted for age, age of household head & orphanhood.</p><p>³ Adjusted for variables in model 1 & education, marital status & alcohol consumption.</p><p>⁴ Adjusted for variables in model 2, risk of depression & anxiety, suicide ideation, attitudes around sexual refusal and sexual partners and condom self-efficacy.</p><p>⁵ Food insufficiency—reported adult skipping meals and/or going day without food; going to bed hungry; <2 meals per day.</p><p>Socio-economic position as a risk factor for reporting risky sexual behaviour by socio-economic domain.</p