Table 3 Association of asthma with risk of osteoarthritis stratified by potential risk factors via model 2#
From: Asthma, social isolation and loneliness, and risk of incident osteoarthritis
Subgroup | Non-asthma | Asthma | |
|---|---|---|---|
HR (95% CI) | P-interaction | ||
Age (years) | 0.082 | ||
< 60 | 1.00 (reference) | 1.33 (1.28–1.37) | |
≥ 60 | 1.00 (reference) | 1.29 (1.25–1.33) | |
Sex | < 0.001 | ||
Women | 1.00 (reference) | 1.38 (1.34–1.42) | |
Men | 1.00 (reference) | 1.24 (1.19–1.29) | |
Ethnic background | 0.176 | ||
Non-white | 1.00 (reference) | 1.39 (1.28–1.52) | |
White | 1.00 (reference) | 1.32 (1.29–1.35) | |
Townsend deprivation index | < 0.001 | ||
< Median | 1.00 (reference) | 1.27 (1.22–1.31) | |
≥Median | 1.00 (reference) | 1.38 (1.33–1.42) | |
Education (years) | 0.477 | ||
< 10 | 1.00 (reference) | 1.35 (1.28–1.42) | |
≥ 10 | 1.00 (reference) | 1.31 (1.27–1.35) | |
Body mass index (kg/m2) | 0.530 | ||
< 25 | 1.00 (reference) | 1.36 (1.29–1.43) | |
25-<30 | 1.00 (reference) | 1.31 (1.26–1.36) | |
≥ 30 | 1.00 (reference) | 1.31 (1.26–1.36) | |
Smoking status | 0.065 | ||
Never | 1.00 (reference) | 1.31 (1.26–1.35) | |
Previous | 1.00 (reference) | 1.32 (1.27–1.37) | |
Current | 1.00 (reference) | 1.42 (1.32–1.53) | |
Healthy diet score | 0.247 | ||
< 3 | 1.00 (reference) | 1.35 (1.29–1.41) | |
≥ 3 | 1.00 (reference) | 1.31 (1.27–1.34) | |