Table 2.
Cases (n = 253) n (%) | Controls (n = 301) n (w%) | Unadjusted OR (95% CI) | Adjusted ORa (95% CI) | |
---|---|---|---|---|
Event | ||||
None | 130 (51.4) | 237 (78.5) | 1 | 1 |
1 or more | 123 (48.6) | 64 (21.5) | 3.45 (2.30–5.15)* | 3.52 (2.20–5.64)* |
Difficulty | ||||
None | 117 (46.3) | 227 (74.4) | 1 | 1 |
1 or more | 136 (53.6) | 74 (25.6) | 3.38 (2.29–4.97)* | 4.69 (2.93–7.53)* |
Note: w, weighted (for the population proportions of age, gender, and ethnicity according to Census values within Lambeth & Southwark); OR, odds ratio, calculated using weighted data; CI, confidence interval.
aAdjusted for age, gender, ethnicity, social class (Percentages may not add up to 100 due to rounding).
*P < .001.