Table 1.
Prevalence [% (n)] of non-steroidal anti-inflammatory drug (NSAID) use and multivariable adjusted odds ratios (95% confidence intervals) of NSAID use associated with demographic factors*
| ns-NSAIDs (n = 176) |
COX-2 inhibitors (n = 187) |
Combined (n = 357**) |
||||
|---|---|---|---|---|---|---|
| % (n) | OR (95% CI) | % (n) | OR (95% CI) | % (n) | OR (95% CI) | |
| Sex | ||||||
| Male | 4.8 (73) | 1.0 (ref) | 5.0 (76) | 1.0 (ref) | 9.8 (147) | 1.0 (ref) |
| Female | 6.2 (103) | 1.2 (0.9-1.7) | 6.7 (111) | 1.5 (1.03-2.0) | 12.6 (210) | 1.3 (1.04-1.7) |
| Age | ||||||
| 20-34 | 3.3 (10) | 0.7 (0.4-1.4) | 0.3 (1) | 0.13 (0.02-0.98) | 3.6 (11) | 0.5 (0.3-0.98) |
| 35-54 | 4.8 (60) | 1.0 (ref) | 2.3 (29) | 1.0 (ref) | 6.9 (87) | 1.0 (ref) |
| 55-74 | 6.5 (78) | 0.9 (0.6-1.4) | 9.1 (109) | 3.1 (1.9-5.1) | 15.4 (184) | 1.6 (1.2-2.3) |
| 75+ | 6.7 (28) | 0.8 (0.4-1.5) | 11.5 (48) | 3.7 (2.0-6.7) | 17.9 (75) | 1.7 (1.1-2.6) |
| Education | ||||||
| High school or less | 6.2 (100) | 1.0 (ref) | 7.0 (113) | 1.0 (ref) | 13.1 (211) | 1.0 (ref) |
| Diploma/certificate/trade | 5.4 (62) | 1.0 (0.7-1.4) | 5.2 (59) | 1.1 (0.7-1.5) | 10.4 (119) | 1.0 (0.8-1.3) |
| University degree | 3.4 (14) | 0.7 (0.4-1.2) | 3.6 (15) | 1.2 (0.7-2.2) | 6.5 (27) | 0.8 (0.5-1.3) |
| Employment | ||||||
| Full time | 3.2 (36) | 1.0 (ref) | 2.2 (25) | 1.0 (ref) | 5.1 (58) | 1.0 (ref) |
| Part time/casual | 6.7 (35) | 1.9 (1.1-3.1) | 3.8 (20) | 1.1 (0.6-2.1) | 10.3 (54) | 1.6 (1.1-2.4) |
| Unemployed | 4.2 (3) | 1.01 (0.3-3.5) | 5.6 (4) | 1.3 (0.4-4.1) | 9.9 (7) | 1.2 (0.5-3.0) |
| Home duties | 5.2 (20) | 1.2 (0.6-2.4) | 6.8 (26) | 0.9 (0.5-1.9) | 11.9 (46) | 1.2 (0.7-1.9) |
| Retired | 7.7 (72) | 2.0 (1.04-3.7) | 10.5 (98) | 1.2 (0.6-2.3) | 18.2 (169) | 1.7 (1.05-2.7) |
| Government benefit † | ||||||
| No | 4.2 (77) | 1.0 (ref) | 2.8 (51) | 1.0 (ref) | 6.8 (125) | 1.0 (ref) |
| Yes | 7.6 (99) | 1.4 (0.9-2.1) | 10.3 (134) | 1.9 (1.2-3.1) | 17.7 (230) | 1.6 (1.2-2.3) |
*n = 11 missing data for income, employment, and government benefit
**6 participants were using both COX-2 and NSAIDs
† Government benefit includes all pensions or benefits but not including family allowance.