Number of mental health admissions and bed days by social class in women from the Renfrew and Paisley study
| Social classes | ||||
|---|---|---|---|---|
| I and II | IIINM | IIIM | IV and V | |
| Number of women | 1451 | 1975 | 1486 | 3076 |
| Person-years | 37 262 | 50 869 | 33 980 | 72 487 |
| All mental health | ||||
| Admissions* | 236 (6.3) | 411 (8.1) | 413 (12.2) | 875 (12.1) |
| Rate ratio1 | 1 | 1.22 (0.93 to 1.60) | 1.79 (1.34 to 2.38) | 1.77 (1.38 to 2.27) |
| Rate ratio2 | 1 | 1.21 (0.92 to 1.59) | 1.73 (1.29 to 2.31) | 1.72 (1.33 to 2.22) |
| Bed days† | 1447 | 1586 | 2304 | 1925 |
| Rate ratio1 | 1 | 1.07 (0.62 to 1.83) | 1.37 (0.77 to 2.45) | 1.27 (0.77 to 2.08) |
| Rate ratio2 | 1 | 1.07 (0.61 to 1.89) | 1.40 (0.76 to 2.56) | 1.15 (0.65 to 2.01) |
| Depression | ||||
| Admissions* | 55 (1.48) | 90 (1.77) | 99 (2.91) | 210 (2.90) |
| Rate ratio1 | 1 | 1.16 (0.67 to 2.04) | 1.98 (1.11 to 3.54) | 1.78 (1.07 to 2.96) |
| Rate ratio2 | 1 | 1.22 (0.70 to 2.13) | 1.91 (1.06 to 3.43) | 2.08 (1.24 to 3.50) |
| Bed days† | 96 | 95 | 347 | 149 |
| Rate ratio1 | 1 | 1.05 (0.36 to 3.05) | 5.31 (1.67 to 16.9) | 1.26 (0.49 to 3.23) |
| Rate ratio2 | 1 | 1.18 (0.39 to 3.56) | 6.42 (1.82 to 22.7) | 1.67 (0.55 to 5.09) |
| Psychoses | ||||
| Admissions* | 41 (1.1) | 106 (2.1) | 130 (3.8) | 241 (3.3) |
| Rate ratio1 | 1 | 1.84 (1.05 to 3.23) | 3.41 (1.92 to 6.06) | 2.82 (1.69 to 4.72) |
| Rate ratio2 | 1 | 1.69 (0.96 to 2.97) | 3.32 (1.85 to 5.94) | 2.63 (1.53 to 4.51) |
| Bed days† | 147 | 378 | 571 | 385 |
| Rate ratio1 | 1 | 2.18 (0.79 to 5.98) | 2.67 (0.91 to 7.81) | 1.67 (0.66 to 4.25) |
| Rate ratio2 | 1 | 1.73 (0.55 to 5.44) | 2.35 (0.73 to 7.59) | 1.17 (0.39 to 3.56) |
| Drug and alcohol dependence | ||||
| Admissions* | 23 (0.6) | 18 (0.4) | 13 (0.4) | 27 (0.4) |
| Rate ratio1 | 1 | 0.46 (0.13 to 1.59) | 0.85 (0.22 to 3.28) | 0.44 (0.14 to 1.43) |
| Rate ratio2 | 1 | 0.59 (0.19 to 1.82) | 0.72 (0.21 to 2.45) | 0.53 (0.17 to 1.62) |
| Bed days† | 16 | 49 | 9 | 11 |
| Rate ratio1 | 1 | 3.68 (0.40 to 34.0) | 0.88 (0.08 to 9.21) | 0.46 (0.06 to 3.53) |
| Rate ratio2 | 1 | 2.01 (0.14 to 29.8) | 0.11 (0.01 to 2.40) | 0.31 (0.01 to 7.98) |
| Alzheimer's and dementia | ||||
| Admissions* | 109 (2.9) | 201 (4.0) | 163 (4.8) | 381 (5.3) |
| Rate ratio1 | 1 | 1.32 (0.95 to 1.83) | 1.35 (0.96 to 1.92) | 1.59 (1.18 to 2.14) |
| Rate ratio2 | 1 | 1.29 (0.93 to 1.80) | 1.36 (0.96 to 1.95) | 1.58 (1.15 to 2.16) |
| Bed days† | 1089 | 1004 | 1304 | 1272 |
| Rate ratio1 | 1 | 0.85 (0.41 to 1.77) | 0.79 (0.35 to 1.75) | 1.01 (0.51 to 1.98) |
| Rate ratio2 | 1 | 0.88 (0.40 to 1.93) | 0.76 (0.32 to 1.80) | 0.94 (0.43 to 2.04) |
*Number (per 1000 person-years).
†Per 1000 person-years.
IIIM, III manual; IIINM, III non-manual; rate ratio1, adjusted for age; rate ratio2, adjusted for age, systolic blood pressure, cholesterol, body mass index, height, FEV1, angina, ischaemic ECG, bronchitis, smoking and diabetes.