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Table 2 Item distribution, internal consistency and test-retest reliability of the MOS-SSS

From: Psychometric properties of the medical outcomes study: social support survey among methadone maintenance patients in Ho Chi Minh City, Vietnam: a validation study

Itemb Score [n (%)]a Mean (SD) Item-total correlation Cronbach alpha ICCd
1 2 3 4 5     
Tangiblec 66.7 (27.9)   0.97 0.73
Item 2: Help if you confined to bed 8 (2.7) 33 (11.0) 59 (19.7) 108 (36.0) 92 (30.6) 3.8 (1.0) 0.79   0.62
Item 5: Take you to the doctor 17 (5.7) 47 (15.7) 68 (22.7) 94 (31.3) 74 (24.6) 3.5 (1.2) 0.83   0.65
Item 12: Prepare meals for you 16 (5.3) 36 (12.0) 57 (19.0) 97 (32.3) 94 (31.4) 3.7 (1.2) 0.83   0.66
Item 15: Help you with daily chores 20 (6.7) 45 (15.0) 65 (21.7) 77 (25.6) 93 (31.0) 3.6 (1.3) 0.83   0.66
Emotional-informationalc 47.5 (24.3)   0.97 0.72
Item 3: Listen to you 24 (8.0) 56 (18.7) 112 (37.3) 82 (27.3) 26 (8.7) 3.1 (1.1) 0.88   0.72
Item 4: Give you good advice 37 (12.3) 48 (16.0) 117 (39.0) 81 (27.0) 17 (5.7) 3 (1.1) 0.85   0.67
Item 8: Give you information 23 (7.7) 70 (23.3) 111 (37.0) 78 (26.0) 18 (6.0) 3 (1.0) 0.85   0.67
Item 9: Someone to confide in 43 (14.3) 80 (26.7) 74 (24.7) 90 (30.0) 13 (4.3) 2.8 (1.1) 0.80   0.59
Item 13: Give advice you really want 43 (14.3) 72 (24.0) 111 (37.0) 59 (19.7) 15 (5.0) 2.8 (1.1) 0.85   0.52
Item 16: Share worries with you 37 (12.3) 68 (22.7) 106 (35.3) 72 (24.0) 17 (5.7) 2.9 (1.1) 0.85   0.65
Item 17: Turn to for suggestions 33 (11.0) 65 (21.7) 112 (37.3) 76 (25.3) 14 (4.7) 2.9 (1.1) 0.85   0.59
Item 19: Understand your problems 51 (17.0) 66 (22.0) 100 (33.3) 74 (24.7) 9 (3.0) 2.8 (1.1) 0.84   0.52
Positive social interactionc 43.1 (25.5)   0.97 0.61
Item 7: Have a good time with you 37 (12.3) 79 (26.3) 108 (36.0) 65 (21.7) 11 (3.7) 2.8 (1.0) 0.77   0.57
Item 11: Get together for relaxation 36 (12.0) 91 (30.3) 100 (33.3) 57 (19.0) 16 (5.4) 2.8 (1.1) 0.77   0.49
Item 14: Help you get your mind off things 41 (13.7) 86 (28.7) 107 (35.7) 52 (17.3) 14 (4.6) 2.7 (1.1) 0.81   0.55
Item 18: Do something enjoyable with you 52 (17.3) 82 (27.3) 99 (33.0) 51 (17.0) 16 (5.3) 2.7 (1.1) 0.80   0.60
Affectionatec 54.6 (27.4)   0.95 0.64
Item 6: Show you love and affection 22 (7.3) 42 (14.0) 96 (32.0) 99 (33.0) 41 (13.7) 3.3 (1.1) 0.79   0.62
Item 10: Give you comforting gestures 34 (11.3) 67 (22.3) 79 (26.4) 81 (27.0) 39 (13.0) 3.1 (1.2) 0.82   0.54
Item 20: Love and make you feel wanted 24 (8.0) 67 (22.3) 81 (27.0) 95 (31.7) 33 (11.0) 3.2 (1.1) 0.81   0.57
Overallc 53.0 (22.9)   0.97 0.76
  1. a1 = None of the time; 2 = A little of the time; 3 = Some of the time; 4 = Most of the time; 5 = All of the time
  2. bItem 1 assesses the structural support (the number of close relatives and friends), and was not included in the analysis
  3. cScores were transformed to 100-point scale
  4. dAll ICCs were significant (p < 0.001)
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Substance Abuse Treatment, Prevention, and Policy

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