Table 2 95% Confidence Intervals of SF-36 Dimension Scores According to Different Sample Sizes. 1994 Danish Health and Morbidity Survey (N = 5472).
From: Severity of self-reported diseases and symptoms in Denmark
SF-36 dimension | N = 100 | N = 500 | N = 1000 | N = 2000 | N = 5472 | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Â | Lower | Upper | Lower | Upper | Lower | Upper | Lower | Upper | Lower | Upper |
Bodily pain | 76.5 | 85.2 | 77.6 | 81.8 | 78.1 | 81.2 | 77.9 | 80.1 | 79.2 | 80.4 |
General health | 71.7 | 80.5 | 73.2 | 77.1 | 74.6 | 77.4 | 75.2 | 77.1 | 76.0 | 77.0 |
Mental health | 77.7 | 84.1 | 79.7 | 82.6 | 80.5 | 82.6 | 80.6 | 82.1 | 81.4 | 82.2 |
Physical functioning | 90.8 | 95.4 | 87.1 | 90.8 | 87.5 | 90.1 | 87.8 | 89.6 | 88.3 | 89.3 |
Role emotional | 75.2 | 89.0 | 82.6 | 88.1 | 83.9 | 87.7 | 85.0 | 87.6 | 85.9 | 87.3 |
Role physical | 81.0 | 92.8 | 81.1 | 87.0 | 80.4 | 84.6 | 81.1 | 84.1 | 82.8 | 84.4 |
Social functioning | 91.1 | 96.9 | 89.5 | 92.8 | 90.4 | 92.7 | 90.8 | 92.4 | 91.3 | 92.1 |
Vitality | 64.6 | 72.9 | 66.7 | 70.4 | 68.0 | 70.7 | 68.2 | 70.1 | 69.6 | 70.7 |