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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Contemp Clin Trials. 2013 Jun 28;36(1):228–243. doi: 10.1016/j.cct.2013.06.017

Table 5.

Baseline safety characteristics, overall and by treatment arm.

Total Healthy Eating/Physical Activity Safety p-value
N 421 212 209

Parent-Related Safety Factors
    Parent safety self-efficacy, M(SD) 3.5 (0.4) 3.5 (0.4) 3.5 (0.4) 0.39
    Parental support for safety a
        Encouraged child to wear helmet or safety equipment daily/past week, n(%) 80 (29.3) 50 (35.0) 30 (23.0) 0.03
        Encouraged child to wear sunscreen daily/past week, n(%) 73 (24.6) 39 (25.7) 34 (23.5) 0.66
        Reminded child to wear seatbelt or car restraint daily/past week, n(%) 324 (80.6) 164 (80.0) 160 (81.2) 0.76
    Seatbelt and car seat use a
        Child has car seat or booster seat, n(%) 325 (85.5) 172 (86.4) 153 (84.5) 0.60
        Child always uses booster seat, n(%) 291 (76.4) 151 (75.1) 140 (77.8) 0.54
        Child always uses seatbelt, n(%) 206 (51.0) 96 (46.4) 110 (55.8) 0.06
        Parent always uses seatbelt when driver, n(%) 392 (94.2) 202 (95.3) 190 (93.1) 0.35
        Parent always uses seatbelt as a passenger, n(%) 379 (90.7) 194 (91.5) 185 (89.8) 0.55
        Parent distracted driving
        Never put on makeup while driving/past week, n(%) 390 (93.3) 197 (92.9) 193 (93.7) 0.75
        Never took hands off wheel to care for child while driving/past week, n(%) 249 (59.7) 124 (58.8) 125 (60.7) 0.69
        Never turned on/changed GPS while driving/past week, n(%) 343 (82.3) 175 (82.6) 168 (82.0) 0.87
        Never talked on cell phone while driving/past week, n(%) 80 (19.2) 27 (12.8) 53 (25.7) <0.01
        Never dialed or texted on cell phone while driving/past week, n(%) 208 (49.8) 102 (48.1) 106 (51.5) 0.49
        Does not make calls while driving, n(%) 97 (23.1) 46 (21.7) 51 (24.5) 0.49
        Waits for red light before making calls, n(%) 246 (58.6) 129 (60.9) 117 (56.3) 0.34
        Slow down before making calls, n(%) 91 (21.7) 52 (24.5) 39 (18.8) 0.15
        Park by side of road before making calls, n(%) 91 (21.7) 47 (22.2) 44 (21.2) 0.80
        Child safety equipment availability
        Owns a helmet, n(%)a 378 (91.3) 195 (92.4) 183 (90.2) 0.41
        Owns knee pads, n(%) 172 (41.0) 95 (44.8) 77 (37.0) 0.10
        Owns elbow pads, n(%) 147 (35.0) 82 (38.7) 65 (31.3) 0.11
        Owns shin guards, n(%) 93 (22.1) 48 (22.6) 45 (21.6) 0.80
        Owns wrist guards, n(%) 60 (14.3) 33 (15.6) 27 (13.0) 0.45
        Owns a mouth guard, n(%) 42 (10.0) 23 (10.9) 19 (9.1) 0.56
    Child helmet use a
        Always while riding bike, n(%) 240 (59.4) 133 (63.6) 107 (54.9) 0.07
        Always while riding scooter, n(%) 89 (32.1) 44 (31.4) 45 (32.9) 0.80
        Always while playing hockey/contact sports, n(%) 60 (60.0) 31 (59.6) 29 (60.4) 0.93
        Always while rollerblading, n(%) 47 (42.3) 26 (47.3) 21 (37.5) 0.30
        Always while skiing/snowboarding, n(%) 35 (48.0) 16 (50.0) 19 (46.3) 0.76
        Always while skateboarding, n(%) 33 (35.9) 19 (41.3) 14 (30.4) 0.28
        Parent checks helmet fit regularly, n(%) 295 (78.5) 159 (80.7) 136 (76.0) 0.26
    Parent helmet availability and use a
        Owns a helmet, n(%) 185 (48.6) 96 (49.7) 89 (47.3) 0.64
        Always wears while riding bike, n(%) 98 (30.5) 53 (31.7) 45 (29.2) 0.62
        Always wears while rollerblading, n(%) 14 (9.9) 6 (8.2) 8 (11.8) 0.48
        Always wears while skiing or snowboarding, n(%) 11 (9.8) 4 (7.7) 7 (11.7) 0.48
        Always wears while playing hockey or contact sports, n(%) 6 (9.4) 2 (6.7) 4 (11.8) 0.68b
    Injury prevention a
        Use non-slip mat in bathtub or shower, n(%)c 170 (40.5) 86 (40.6) 84 (40.4) 0.97
        When cooking, usually use back burners on oven, n(%)c 126 (30.2) 65 (30.8) 61 (29.6) 0.79
        When cooking, usually face pot handles to side or back of oven, n(%)c 403 (97.6) 207 (99.0) 196 (96.1) 0.06b
        Have working smoke detectors in home, n(%)c 409 (97.6) 209 (98.6) 200 (96.6) 0.22b
        Have smoke detectors on each floor of home, n(%)c 390 (93.5) 200 (94.8) 190 (92.2) 0.29
        Changed smoke detector batteries/past year, n(%)c 264 (63.0) 137 (64.9) 127 (61.1) 0.41
        Carbon monoxide detector in home, n(%)c 348 (83.1) 182 (85.9) 166 (80.2) 0.12
        Changed carbon monoxide detector batteries/past year, n(%)c 162 (40.8) 96 (47.8) 66 (33.7) <0.01
        Use space heaters without safety mechanism in home, n(%)d 19 (4.5) 9 (4.3) 10 (4.8) 0.79
        Have screens on fireplaces/wood stoves in home, n(%)c 164 (87.7) 83 (89.3) 81 (86.2) 0.52
        Parent smokes in bed, n(%)d 3 (5.6) 2 (7.7) 1 (3.6) 0.60b
        Adult always present when child near water, n(%) 408 (97.1) 204 (96.2) 204 (98.1) 0.26
        Sun protection use
        Child had 1+ sunburns/past year, n(%) 170 (40.5) 86 (40.6) 84 (40.4) 0.97
        Child always or usually wears sunscreen when outside, n(%) 293 (69.8) 141 (66.5) 152 (73.1) 0.14
        Child uses > SPF30 sunscreen, n(%) 267 (64.5) 137 (65.2) 130 (63.7) 0.75
        Child uses sunscreen on cloudy days, n(%) 146 (35.0) 77 (36.7) 69 (33.3) 0.48
        Child uses sunglasses, n(%) 285 (67.9) 139 (65.6) 146 (70.2) 0.31
        Child uses hat, n(%) 258 (61.4) 121 (57.1) 137 (65.9) 0.06
        Child stays in shade, n(%) 254 (60.5) 125 (59.0) 129 (62.0) 0.52
        Child stays inside during peak-sun hours, n(%) 172 (41.0) 85 (40.1) 87 (41.8) 0.72
        Child uses long or short sleeve shirt, n(%) 169 (40.2) 86 (40.6) 83 (39.9) 0.89
        Child uses protective swimwear, n(%) 134 (31.9) 66 (31.1) 68 (32.7) 0.73
        Parent always or usually wears sunscreen when outside, n(%) 198 (47.5) 97 (46.0) 101 (49.0) 0.53
        Secondhand smoke
        Smoking not allowed anywhere in home, n(%) 399 (95.7) 201 (95.3) 198 (96.1) 0.67
        Smoking not allowed anywhere in car, n(%) 372 (89.4) 189 (89.6) 183 (89.3) 0.92
        Family Disaster Plan
        Family has fire escape plan, n(%) 182 (43.7) 91 (43.3) 91 (44.0) 0.90
        Family has plan for other disasters, n(%) 277 (66.9) 134 (64.4) 143 (69.4) 0.28
        Family has disaster emergency kit, n(%) 89 (21.5) 47 (22.6) 42 (20.4) 0.58
        Family has emergency meeting place, n(%) 171 (41.2) 82 (39.2) 89 (43.2) 0.41
    Gun safety a
        Gun in home, n(%)d 127 (30.5) 66 (31.3) 61 (29.6) 0.71
        BB gun or other type of gun in home, n(%)d 77 (18.7) 38 (18.5) 39 (18.9) 0.92
        Any type of gun in home, n(%)d 154 (37.5) 81 (39.3) 73 (35.6) 0.44
        Gun kept locked, n(%)c 73 (57.0) 37 (55.2) 36 (59.0) 0.67
        Gun kept unloaded, n(%)c 114 (89.8) 58 (87.9) 56 (91.8) 0.47
        Gun kept taken apart or with trigger lock, n(%)c 81 (63.3) 43 (64.2) 38 (62.3) 0.83
        Ammunition kept separate and locked, n(%)c 33 (28.5) 14 (23.3) 19 (33.4) 0.21
        Parent talked about gun safety with child, n(%) 185 (45.1) 95 (46.3) 90 (43.9) 0.62
        Internet and computer safety
        Child has internet access in home, n(%) 348 (82.9) 178 (84.0) 170 (81.7) 0.54
        Parent set child privacy settings on social networking sets, n(%)a,c 25 (37.9) 13 (40.6) 12 (35.3) 0.66
        Parental controls on home computer, n(%)a,c 152 (38.5) 77 (38.5) 75 (38.5) 0.99
        Parent talked to child about internet safety, n(%)a,c 160 (64.8) 81 (60.5) 79 (69.9) 0.12
        Child aware of “phishing,” n(%) 53 (13.0) 23 (11.2) 30 (14.8) 0.28
        Child understands to be careful sharing personal info online, n(%)c 129 (31.6) 60 (28.9) 69 (34.5) 0.22
        Antivirus software installed on home computer, n(%)a,c 352 (88.7) 180 (87.8) 172 (89.6) 0.58
        Computer in home, n(%) 406 (96.7) 206 (97.2) 200 (96.2) 0.56
        Computer in main living area, n(%) 263 (62.6) 137 (64.6) 126 (60.6) 0.39
        Computer in home office or computer room, n(%) 171 (40.7) 86 (40.6) 85 (40.9) 0.95
        Computer in adult bedroom, n(%) 55 (13.1) 20 (9.4) 35 (16.8) 0.02
        Computer in child bedroom, n(%) 13 (3.1) 6 (2.8) 7 (3.4) 0.75
a

Comparisons are made between participants for whom the question was applicable; not applicable is coded as missing.

b

P-value derived from Fisher's Exact Test.

c

Response “don't know” is coded as no (i.e. does not engage in behavior).

d

Response “don't know” is coded as yes (i.e. does engage in behavior).