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Table 5 Country-specific symptom-related arthritis prevalence (weighted) across age strata, educational attainment and marital status, stratified by sex

From: Prevalence of arthritis according to age, sex and socioeconomic status in six low and middle income countries: analysis of data from the World Health Organization study on global AGEing and adult health (SAGE) Wave 1

Women With symptom-related arthritis (n = 1220)
China
n = 201
Ghana
n = 290
India
n = 238
Mexico
n = 29
Russian Federation
n = 358
South Africa
n = 104
Age (years)
 18–29 0.9% (0.4%–1.8%)
 30–39 1.6% (0.4%–6.6%) 1.5% (0.7%–3.2%) 12.5% (4.4%–30.7%) 0.2% (0.0%–1.7%)
 40–49 0.3% (0.1%–1.3%) 3.3% (1.3%–7.9%) 2.8% (1.7%–4.4%) 1.2% (0.2%–8.0%) 2.3% (0.5%–9.5%) 2.4% (0.3%–15.7%)
 50–59 4.1% (3.0%–5.7%) 11.5% (8.6%–15.2%) 5.9% (43%–8.0%) 0.7% (0.1%–4.1%) 4.3% (2.6%–7.1%) 6.2% (3.7%–10.2%)
 60–69 4.0% (2.8%–5.8%) 16.5% (12.3%–21.9%) 5.6% (4.0%–7.9%) 1.5% (0.7%–3.2%) 10.0% (7.0%–14.2%) 5.5% (3.0%–9.8%)
 70+ 5.6% (3.9%–7.9%) 18.6% (14.9%–23.0%) 6.7% (4.7%–9.7%) 2.1% (0.9%–4.7%) 20.1% (14.4%–27.4%) 5.6% (3.3%–9.2%)
Formal educationa
 Never schooled 4.1% (3.3%–5.1%) 9.4% (6.9%–12.7%) 3.7% (2.9%–4.7%) 1.5% (0.5%–4.1%) 41.8% (16.6%–72.2%) 3.5% (1.7%–6.9%)
  ≤ Primary school 2.0% (1.3%–3.1%) 2.2% (1.4%–3.6%) 2.2% (1.5%–3.4%) 1.0% (0.3%–3.3%) 22.6% (14.3%–33.7%) 5.9% (2.3%–14.3%)
 Secondary school 0.5% (0.3%–0.8%) 3.0% (1.3%–6.5%) 1.2% (0.6%–2.5%) 0.0% (0.0%–0.3%) 8.9% (4.9%–15.4%) 1.0% (0.4%–2.6%)
 College 0.0% (0.0%–0.2%) 1.1% (0.2%–6.4%) 0.0% (0.0%–0.3%) 4.3% (2.4%–7.5%) 0.3% (0.1%–1.2%)
Marital statusb
 Never married 1.9% (0.4%–9.0%) 1.1% (0.3%–3.7%) 0.3% (0.1%–0.9%) 1.7% (0.7%–4.2%) 2.6% (0.6%–11.2%)
 Married 1.1% (0.9%–1.4%) 2.6% (1.7%–4.1%) 2.5% (1.9%–3.2%) 0.7% (0.2%–2.4%) 3.1% (1.9%–4.9%) 1.3% (0.6%–2.9%)
 Divorced/widowed 4.2% (2.2%–7.9%) 10.8% (7.7%–15.0%) 4.8% (3.5%–6.7%) 0.6% (0.3%–1.4%) 18.0% (9.9%–30.5%) 3.4% (2.0%–5.6%)
Men With symptom-based arthritis (n = 594)
China
n = 138
Ghana
n = 170
India
n = 113
Mexico
n = 15
Russian Federation
n = 117
South Africa
n = 41
Age strata (years)
 18–29 1.0% (0.1%–7.2%) 0.8% (0.1%–4.5%) 2.3% (0.3%–16.2%)
 30–39 1.7% (0.5%–5.4%) 0.8% (0.2%–3.8%) 5.2% (1.0%–22.2%)
 40–49 0.8% (0.2%–2.8%) 0.6% (0.1%–2.5%) 1.9% (0.8%–43%) 1.9% (0.2%–13.4%) 1.7% (0.4%–6.6%)
 50–59 2.3% (1.6%–3.1%) 3.8% (2.7%–5.4%) 2.6% (1.1%–6.2%) 1.9% (0.9%–4.1%) 2.3% (1.0%–4.9%)
 60–69 3.8% (3.3%–4.4%) 9.1% (6.7%–12.2%) 3.5% (2.0%–6.1%) 0.6% (0.2%–2.2%) 6.4% (3.3%–12.0%) 3.7% (1.8%–7.5%)
 70+ 4.3% (3.5%–5.2%) 9.2% (6.9%–12.3%) 4.8% (3.0%–7.5%) 3.0% (1.5%–5.9%) 10.7% (6.9%–16.4%) 6.0% (2.4%–14.3%)
Formal educationa
 None 4.8% (3.3%–6.8%) 5.6% (4.0%–7.7%) 2.7% (1.3%–5.5%) 1.5% (0.5%–3.8%) 3.4% (0.3%–27.7%) 4.2% (1.5%–10.8%)
  ≤ Primary school 1.2% (1.0%–1.6%) 1.9% (1.1%–3.2%) 1.2% (0.7%–1.9%) 0.2% (0.1%–0.6%) 10.4% (5.0%–20.4%) 1.6% (0.8%–3.4%)
 Secondary school 1.0% (0.4%–2.3%) 1.4% (0.6%–3.1%) 2.0% (1.0%–4.2%) 0.1% (0.0%–0.5%) 3.9% (1.7%–9.0%) 0.9% (0.2%–5.4%)
 College 0.1% (0.0%–0.4%) 0.7% (0.2%–2.2%) 0.4% (0.1%–1.6%) 0.2% (0.0%–1.4%) 1.4% (0.4%–5.3%)
Marital statusb
 Never married 0.9% (0.2%–5.0%) 1.5% (0.2%–8.8%) 1.6% (0.3%–8.2%) 0.2% (0.0%–0.9%) 0.8% (0.2%–2.8%)
 Married 1.1% (0.6%–1.8%) 2.5% (1.8%–3.4%) 1.8% (1.1%–2.7%) 0.3% (0.1%–0.5%) 3.7% (1.7%–8.0%) 1.4% (0.6%–3.2%)
 Divorced/widowed 2.9% (1.7%–4.9%) 6.5% (3.8%–10.9%) 1.9% (0.6%–5.5%) 0.6% (0.1%–2.6%) 7.9% (2.9%–19.6%) 2.9% (0.7%–11.4%)
  1. Data presented as proportions with 95% confidence intervals (95% CI)
  2. Abbreviations: LMIC low and middle income countries, WHO World Health Organization
  3. aCategories of formal education are; ≤primary school (less than primary school, or primary school completed); secondary school (secondary school completed, or high school or its equivalent completed); college (college or pre-university completed, or post-graduate degree completed)
  4. bCategories of marital status are; married (currently married or cohabiting); divorced/widowed (separated or divorced, or widowed)