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Table 3 Responses to the four questionsa included in the algorithm for symptom-based arthritis, stratified by country and sexb (non-weighted)

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 (n = 25,180)
  China (n = 8016) Ghana (n = 2749) India (n = 7489) Mexicob (n = 1692) Russian Federation (n = 2806) South Africa (n = 2428)
cAny pain during last 12 months? (Yes) 29.1% (28.0%–30.2%) 38.2% (36.4%–40.0%) 29.2% (28.0%–30.4%) 28.4% (26.3%–30.9%) 48.4% (46.4%–50.4%) 36.5% (34.6%–38.4%)
cAny stiffness during last 12 months? (Yes) 24.2% (23.2%–25.2%) 43.5% (41.5%–45.6%) 29.7% (28.5%–30.8%) 23.3% (20.9%–26.0%) 50.5% (48.8%–52.1%) 33.2% (31.2%–35.3%)
dDid stiffness last for >30 min? (Yes) 24.7% (22.4%–27.1%) 38.1% (35.6%–40.7%) 33.3% (30.9%–35.2%) 26.1% (21.8%–31.0%) 45.3% (42.8%–47.9%) 36.3% (33.3%–39.4%)
dDid stiffness go away after movement? (No) 19.2% (17.4%–21.0%) 31.5% (28.9%–34.2%) 25.4% (23.7%–27.3%) 15.3% (12.3%–18.9%) 33.1% (30.5%–35.9%) 19.8% (17.2%–22.7%)
Men (n = 18,914)
  China (n = 6993) Ghana (n = 2816) India (n = 4709) Mexico (n = 1050) Russian Federationb (n = 1549) South Africa (n = 1797)
cAny pain during last 12 months? (Yes) 20.4% (19.6%–21.3%) 25.2% (23.5%–26.9%) 23.4% (22.0%–24.7%) 20.1% (17.5%–23.0%) 32.9% (30.5%–35.5%) 25.3% (23.3%–27.5%)
cAny stiffness during last 12 months? (Yes) 17.2% (16.4%–17.9%) 29.8% (28.2%–31.5%) 25.4% (24.1%–26.7%) 16.1% (14.1%–18.3%) 34.6% (32.4%–36.9%) 23.7% (21.9%–25.5%)
dDid stiffness last for >30 min? (Yes) 26.5% (24.4%–28.8%) 29.2% (25.6%–33.1%) 29.0% (26.5%–31.6%) 25.9% (19.7%–33.3%) 40.0% (35.0%–45.1%) 30.1% (25.6%–35.0%)
dDid stiffness go away after movement? (No) 20.4% (18.1%–22.9%) 25.2% (22.3%–28.3%) 22.5% (19.8%–25.4%) 17.9% (12.6%–24.8%) 29.4% (25.5%–33.7%) 16.4% (13.0%–20.6%)
  1. Data presented as proportions with 95% confidence intervals (95% CI)
  2. aComplete wording of the symptom-based questions are presented in Table 2
  3. bApproximately 12% of the sample from the Russian Federation had no information regarding sex of respondents
  4. cProportions (95% confidence intervals) are based on the total study population from each LMIC
  5. dProportions (95% confidence intervals) are based on those that responded ‘yes’ to either one or both of the first two symptom-based questions