Table 2 Responses to selected questions on safety belt use
From: Self-reported safety belt use among emergency department patients in Boston, Massachusetts
Variable | Total Sample N (%) | SBU 'Always', by Single Measure N (%) | Chi Square | P value | SBU 'Always', by Multiple Measure N (%) | Chi Square | P value |
|---|---|---|---|---|---|---|---|
Ever been in crash? | |||||||
   Yes | 250 (66) | 109 (57) | 14.03 | <0.001 | 60 (61) | 1.04 | 0.308 |
   No | 130 (34) | 83 (43) |  |  | 38 (39) |  |  |
Driving after drinking (in past 30 days)? | |||||||
   Yes | 24 (6) | 5 (3) | 9.57 | 0.008 | 3 (3) | 22.17 | <0.001 |
   No | 298 (78) | 154 (80) |  |  | 93 (95) |  |  |
   I don't drive | 58 (15) | 33 (17) |  |  |  |  |  |
Ride with someone who drove after drinking (in past 30 days)? | |||||||
   Yes | 57 (15) | 14 (7) |  |  | 9 (9) | 3.419 | 0.064 |
   No | 323 (85) | 178 (93) |  |  | 89 (91) |  |  |
Ever given ticket for not wearing a seatbelt? | |||||||
   Yes | 42 (11) | 9 (5) | 15.9 | <0.001 | 4 (4) | 6.84 | 0.033 |
   No | 337 (89) | 182 (95) |  |  | 94 (96) |  |  |
How often did you use public transportation in past 30 days? | |||||||
   10+ times | 184 (48) | 89 (46) | 1.02 | 0.795 | 31 (32) | 15.7 | 0.001 |
   5–9 times | 23 (6) | 11 (6) |  |  | 7 (7) |  |  |
   1–4 times | 49 (13) | 25 (13) |  |  | 16 (16) |  |  |
   Not in past 30 days | 124 (33) | 67 (35) |  |  | 44 (45) |  |  |
On average, how many drinks do you have on a typical day? | |||||||
   0–1 drinks | 228 (60) | 131 (68) | 14.053 | <0.001 | 66 (67) | 6.847 | 0.033 |
   2–5 drinks | 110 (29) | 49 (26) |  |  | 28 (29) |  |  |
   6 + drinks | 42 (11) | 12 (6) |  |  | 4 (4) |  |  |
Maximum # of drinks on a given day (in past 30 days)? | |||||||
   0–1 drinks | 223 (59) | 130 (68) | 17.52 | <0.001 | 64 (65) | 9.94 | 0.007 |
   2–5 drinks | 95 (25) | 44 (23) |  |  | 28 (29) |  |  |
   6 or more drinks | 62 (16) | 18 (9) |  |  | 6 (6) |  |  |