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. 2004 Apr 19;2004(2):CD004050. doi: 10.1002/14651858.CD004050.pub2

Comparison 1. BRIGHT LIGHT versus CONTROL TREATMENT.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Global state: 1. CGI endpoint score (high = poor) ‐ medium term 1   Mean Difference (IV, Fixed, 95% CI) Totals not selected
2 Mental state: 1. Clinically not improved (less than 50% decrease in HDRS) 3 71 Risk Ratio (M‐H, Fixed, 95% CI) 0.94 [0.61, 1.46]
2.1 Short term 1 13 Risk Ratio (M‐H, Fixed, 95% CI) 0.69 [0.33, 1.43]
2.2 Medium term 2 58 Risk Ratio (M‐H, Fixed, 95% CI) 1.04 [0.62, 1.77]
3 Mental state: 2. Deterioration in mental state or relapse ‐ short term 3 120 Risk Ratio (M‐H, Fixed, 95% CI) 0.40 [0.12, 1.31]
4 Mental state: 3. Mood rating scale endpoint score (high = poor) 18 505 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.20 [‐0.38, ‐0.01]
4.1 Short term 12 367 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.23 [‐0.44, ‐0.02]
4.2 Medium term 6 138 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.10 [‐0.45, 0.24]
5 Mental state: 4. Mood rating scale change score (baseline minus endpoint) 6 198 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.35 [‐0.64, ‐0.06]
6 Mental state: 5. Clinician‐rated mood rating scale endpoint score (high = poor) 14 376 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.23 [‐0.44, ‐0.01]
6.1 Short term 9 258 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.35 [‐0.61, ‐0.10]
6.2 Medium term 5 118 Std. Mean Difference (IV, Fixed, 95% CI) 0.04 [‐0.33, 0.42]
7 Mental state: 6. Self‐rated mood rating scale endpoint score (high = poor) 12 388 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.04 [‐0.24, 0.17]
7.1 Short term 9 320 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.02 [‐0.24, 0.20]
7.2 Medium term 3 68 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.11 [‐0.60, 0.37]
8 Mental state: 7. Mood rating scale endpoint score (light only) (high = poor) 2 69 Mean Difference (IV, Fixed, 95% CI) ‐3.93 [‐6.75, ‐1.11]
9 Mental state: 8. Mood rating scale follow‐up score (high = poor) 5 189 Std. Mean Difference (IV, Fixed, 95% CI) 0.15 [‐0.14, 0.44]
9.1 Short term 3 131 Std. Mean Difference (IV, Fixed, 95% CI) 0.23 [‐0.11, 0.58]
9.2 Medium term 2 58 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.04 [‐0.58, 0.50]
10 Mental state: 9. Mood rating scale endpoint score (concomitant SD) (high = poor) 17 454 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.24 [‐0.43, ‐0.04]
10.1 Concomitant SD 9 266 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.22 [‐0.47, 0.02]
10.2 Unclear SD (1‐to‐2 hours before wakeup time) 2 21 Std. Mean Difference (IV, Fixed, 95% CI) 0.39 [‐0.50, 1.28]
10.3 No SD 6 167 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.34 [‐0.66, ‐0.02]
13 Mental state: 10. Mood rating scale endpoint score (SD responders) (high = poor) 4 63 Std. Mean Difference (IV, Fixed, 95% CI) ‐1.02 [‐1.60, ‐0.45]
13.1 Short term 3 43 Std. Mean Difference (IV, Fixed, 95% CI) ‐1.84 [‐2.60, ‐1.07]
13.2 Medium term 1 20 Std. Mean Difference (IV, Fixed, 95% CI) 0.07 [‐0.81, 0.95]
14 Mental state: 11. Mood rating scale endpoint score (SD nonresponders) (high = poor) 3 45 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.25 [‐0.85, 0.36]
14.1 Short term 2 25 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.31 [‐1.14, 0.53]
14.2 Medium term 1 20 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.18 [‐1.06, 0.70]
15 Mental state: 12. Mood rating scale endpoint score (concomitant drug) (high = poor) 18 463 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.23 [‐0.42, ‐0.04]
15.1 Concomitant drug 14 329 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.25 [‐0.47, ‐0.02]
15.2 No drug 4 134 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.18 [‐0.53, 0.17]
16 Mental state: 13. Mood rating scale endpoint score (time of day of bright light) (high = poor) 18 505 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.18 [‐0.36, ‐0.00]
16.1 Morning light 11 297 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.38 [‐0.62, ‐0.14]
16.2 Evening light 2 43 Std. Mean Difference (IV, Fixed, 95% CI) 0.38 [‐0.25, 1.01]
16.3 All‐night light 2 80 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.01 [‐0.45, 0.42]
16.4 Both morning and evening light 2 20 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.79 [‐1.83, 0.25]
16.5 Various times 2 65 Std. Mean Difference (IV, Fixed, 95% CI) 0.25 [‐0.24, 0.75]
17 Mental state: 14. Mood rating scale endpoint score (concomitant SD and morning light) (high = poor) 10 290 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.38 [‐0.62, ‐0.14]
17.1 Concomitant SD, morning light 5 166 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.28 [‐0.59, 0.03]
17.2 No SD, morning light 5 124 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.53 [‐0.91, ‐0.16]
18 Mental state: 15. Mood rating scale endpoint score (concomitant drug and morning light) (high = poor) 11 297 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.38 [‐0.62, ‐0.14]
18.1 Concomitant drug, morning light 9 243 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.34 [‐0.60, ‐0.08]
18.2 No drug, morning light 2 54 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.57 [‐1.14, ‐0.01]
19 Mental state: 16. Mood rating scale endpoint score (type of device) (high = poor) 17 432 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.23 [‐0.43, ‐0.03]
19.1 Light box 12 275 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.50 [‐0.75, ‐0.25]
19.2 Other device 5 157 Std. Mean Difference (IV, Fixed, 95% CI) 0.21 [‐0.11, 0.52]
20 Mental state: 17. Mood rating scale endpoint score (intensity of bright light) (high = poor) 16 431 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.26 [‐0.46, ‐0.06]
20.1 Higher than 2500 lux 8 198 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.26 [‐0.55, 0.04]
20.2 Not more than 2500 lux 8 233 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.26 [‐0.53, 0.00]
21 Mental state: 18. Mood rating scale endpoint score (duration of bright light) (high = poor) 17 491 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.22 [‐0.40, ‐0.04]
21.1 More than 1 hour 13 368 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.24 [‐0.45, ‐0.03]
21.2 Not more than 1 hour 4 123 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.17 [‐0.53, 0.19]
22 Mental state: 19. Mood rating scale endpoint score (methdological quality) (high = poor) 18 505 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.20 [‐0.38, ‐0.01]
22.1 Higher quality studies (Category A) 2 50 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.90 [‐1.50, ‐0.31]
22.2 Lower quality studies (Category B) 16 455 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.12 [‐0.31, 0.07]
23 Mental state: 20. Mood rating scale endpoint score (mixed study sample) (high = poor) 18 505 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.20 [‐0.38, ‐0.01]
23.1 Both non‐seasonal and seasonal patients 2 40 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.06 [‐0.68, 0.57]
23.2 Non‐seasonal patients only 16 465 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.21 [‐0.40, ‐0.02]
24 Mental state: 21. Primary mood rating scale baseline scores     Other data No numeric data
24.1 Baseline scores     Other data No numeric data
25 Acceptability of treatment: 1. Number of persons dropping out 16 453 Risk Ratio (M‐H, Fixed, 95% CI) 1.35 [0.60, 3.07]
25.1 Short term 10 312 Risk Ratio (M‐H, Fixed, 95% CI) 1.33 [0.55, 3.20]
25.2 Medium term 6 141 Risk Ratio (M‐H, Fixed, 95% CI) 1.54 [0.16, 14.66]
26 Adverse effects: 1. Cardiovascular system related 1   Risk Ratio (M‐H, Fixed, 95% CI) Totals not selected
26.1 Hypotension 1   Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
27 Adverse effects: 2. Endocrinologic system related 1   Risk Ratio (M‐H, Fixed, 95% CI) Totals not selected
27.1 Sweating 1   Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
28 Adverse effects: 3. Gastrointestinal system related 2   Risk Ratio (M‐H, Fixed, 95% CI) Subtotals only
28.1 Constipation 2 79 Risk Ratio (M‐H, Fixed, 95% CI) 0.67 [0.13, 3.40]
28.2 Decreased appetite 1 28 Risk Ratio (M‐H, Fixed, 95% CI) 3.0 [0.35, 25.46]
28.3 Diarrhea 1 28 Risk Ratio (M‐H, Fixed, 95% CI) 3.0 [0.13, 67.91]
28.4 Dry mouth 1 28 Risk Ratio (M‐H, Fixed, 95% CI) 1.0 [0.07, 14.45]
28.5 Increased appetite 1 28 Risk Ratio (M‐H, Fixed, 95% CI) 0.17 [0.02, 1.21]
28.6 Nausea 1 28 Risk Ratio (M‐H, Fixed, 95% CI) 3.0 [0.13, 67.91]
28.7 Salivation 1 28 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
28.8 Stomach pain 1 28 Risk Ratio (M‐H, Fixed, 95% CI) 0.2 [0.01, 3.82]
29 Adverse effects: 4. Mood related 8   Risk Ratio (M‐H, Fixed, 95% CI) Subtotals only
29.1 Hypomania 7 219 Risk Ratio (M‐H, Fixed, 95% CI) 4.91 [1.66, 14.46]
29.2 Mania 6 181 Risk Ratio (M‐H, Fixed, 95% CI) 0.36 [0.07, 1.76]
30 Adverse effects: 5. Nervous system related 3   Risk Ratio (M‐H, Fixed, 95% CI) Subtotals only
30.1 Agitation 2 89 Risk Ratio (M‐H, Fixed, 95% CI) 3.22 [0.95, 10.89]
30.2 Confusion 1 61 Risk Ratio (M‐H, Fixed, 95% CI) 3.39 [0.78, 14.69]
30.3 Disorientation 1 28 Risk Ratio (M‐H, Fixed, 95% CI) 0.33 [0.01, 7.55]
30.4 Headache 3 109 Risk Ratio (M‐H, Fixed, 95% CI) 2.26 [0.91, 5.59]
30.5 Restlessness 1 28 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
30.6 Sedation 1 28 Risk Ratio (M‐H, Fixed, 95% CI) 0.2 [0.01, 3.82]
30.7 Vertigo 1 28 Risk Ratio (M‐H, Fixed, 95% CI) 5.0 [0.26, 95.61]
31 Adverse effects: 6. Sleep related 2   Risk Ratio (M‐H, Fixed, 95% CI) Subtotals only
31.1 Disturbed sleep 1 28 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
31.2 Sleep onset difficulties 1 61 Risk Ratio (M‐H, Fixed, 95% CI) 4.67 [1.13, 19.31]
32 Adverse effects: 7. Urinary system related 1   Risk Ratio (M‐H, Fixed, 95% CI) Totals not selected
32.1 Miction complaints 1   Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
33 Adverse effects: 8. Vision related 3   Risk Ratio (M‐H, Fixed, 95% CI) Subtotals only
33.1 Blurred vision 2 89 Risk Ratio (M‐H, Fixed, 95% CI) 2.22 [0.73, 6.78]
33.2 Eye irritation 2 68 Risk Ratio (M‐H, Fixed, 95% CI) 3.53 [0.97, 12.88]
34 Adverse effects: 9. Complaint List or FSUCL endpoint score (high = poor) 2 70 Std. Mean Difference (IV, Fixed, 95% CI) 0.21 [‐0.26, 0.68]
34.1 Short term 1 42 Std. Mean Difference (IV, Fixed, 95% CI) ‐0.02 [‐0.63, 0.59]
34.2 Medium term 1 28 Std. Mean Difference (IV, Fixed, 95% CI) 0.57 [‐0.19, 1.33]
35 Death 13   Risk Ratio (M‐H, Fixed, 95% CI) Subtotals only
35.1 Short term 8 215 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]
35.2 Medium term 5 118 Risk Ratio (M‐H, Fixed, 95% CI) 0.0 [0.0, 0.0]