Table 3.
Mean scores on SF-36 scales for men by age and drug use status
| Ages 45–54
|
Ages 55–64
|
Ages 65+
|
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Total (n = 39) | No Past-year Drug Use (n = 16) | Past-year Drug Use (n = 23) | Total (n = 129) | No Past-year Drug Use (n = 59) | Past-year Drug Use (n = 70) | Total (n = 23) | No Past-year Drug Use (n = 13) | Past-year Drug Use (n = 10) | |
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |
| Physical functioning | 67.05 (27.93) | 77.81† (24.42) | 59.57† (28.24) | 66.23** (29.47) | 63.31 (31.60) | 68.69 (27.54) | 64.57 (29.88) | 63.46 (30.03) | 66.00 (31.25) |
| Role functioning physical | 48.72** (41.73) | 57.81 (42.54) | 42.39 (40.90) | 55.04*** (43.46) | 53.81 (44.48) | 56.07 (42.87) | 66.30 (44.98) | 76.92 (38.81) | 52.50 (50.62) |
| Bodily pain | 61.15* (27.90) | 66.09 (31.41) | 57.72 (25.34) | 63.76* (28.09) | 57.16† (26.67) | 69.32† (28.24) | 63.70 (29.33) | 61.35 (31.17) | 66.75 (28.09) |
| General health | 51.15** (22.98) | 56.25 (21.41) | 47.61 (23.83) | 50.35*** (23.16) | 48.90 (23.34) | 51.57 (23.10) | 58.70 (19.08) | 55.00 (18.71) | 63.50 (19.44) |
| Energy & fatigue | 45.90** (20.93) | 47.81 (21.98) | 44.57 (20.56) | 48.06*** (20.40) | 47.20 (21.18) | 48.79 (19.84) | 57.39 (22.15) | 53.46 (22.95) | 62.50 (21.11) |
| Social functioning | 68.27** (27.03) | 74.22 (29.04) | 64.13 (25.37) | 71.03*** (26.97) | 67.58 (26.98) | 73.93 (26.81) | 74.46 (26.51) | 74.04 (24.72) | 75.00 (30.05) |
| Role functioning emotional | 68.38 (45.21) | 77.08 (39.85) | 62.32 (48.52) | 68.73 (41.61) | 64.97 (43.95) | 71.90 (39.58) | 84.06 (34.63) | 82.05 (37.55) | 86.67 (32.20) |
| Emotional well-being | 67.38 (20.59) | 67.75 (23.53) | 67.13 (18.84) | 68.16** (19.78) | 69.42 (18.95) | 67.09 (20.53) | 78.61 (13.13) | 77.23 (13.50) | 80.40 (13.13) |
SF-36 scale scores range from 0–100, with higher scores indicating better functioning; significance tests indicate difference between sample mean and population norm by gender and age group.
*
p < .05,
**
p < .01,
***
p < .001.
†
Difference between drug-use group means, p < .05.