Table 2.
Characteristics of users (n=18,504) according to their input with crude and adjusted odds ratios.
| Characteristica | Single input, n (%) |
Multiple inputs, n (%) |
Crude odds ratiob (95% CI) | Adjusted odds ratioc (95% CI) | |
| Age category (years) | |||||
| <30 | 1106 (18.57) | 3083 (24.57) | 1.46 (1.32-1.60) | 1.52 (1.29-1.80) | |
| 30-40 | 1694 (28.45) | 3959 (31.55) | 1.22 (1.12-1.33) | 1.46 (1.25-1.7) | |
| 40-50 | 1235 (20.74) | 2366 (18.85) | (Reference) | (Reference) | |
| 50-65 | 1126 (18.91) | 2072 (16.51) | 0.96 (0.87-1.06) | 0.84 (0.71-1.0) | |
| ≥65 | 794 (13.33) | 1069 (8.52) | 0.7 (0.63-0.79) | 0.60 (0.49-0.73) | |
| Total | 5955 (32.18) | 12,549 (67.82) | |||
| Gender | |||||
| Female | 3342 (56.12) | 6481 (51.65) | (Reference) | (Reference) | |
| Male | 2613 (43.88) | 6068 (48.35) | 1.20 (1.13-1.27) | 1.32 (1.19-1.48) | |
| Region | |||||
| Lisbon and Tagus Valley | 2706 (45.44) | 5708 (45.49) | (Reference) | (Reference) | |
| North | 2189 (36.76) | 4509 (35.93) | 0.98 (0.91-1.05) | 0.95 (0.84-1.06) | |
| Other | 1060 (17.80) | 2332 (18.58) | 1.04 (0.96-1.14) | 1.12 (0.96-1.30) | |
| Total | 5955 (32.18) | 12,549 (67.82) | |||
aSome percentages do not total 100% due to rounding.
bCrude odds ratios calculated from univariate logistic regression where the probability of “multiple inputs” was modeled.
cLogistic regression model with predictors: age category, gender, region of residence, number of health problems, and medications.