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. 2014 Nov 6;16(11):e253. doi: 10.2196/jmir.3368

Table 1.

Univariable associations of health-related Internet use with sociodemographic, health characteristics, and health-risk behavior.


Totala (N=3911) Ever use of Internet Internet use for health-related information last yearb Internet first source for health-related informationb Internet use for behavioral support last yearb
Yes (n=2886) No (n=1025) Yes (n=2222) No (n=650) Yes (n=1318) No (n=1459) Yes (n=1321) No (n=1236)
Sociodemographic & health characteristics

Age in years, mean (SD) 46.35 (18.01) 42.88 (15.57) 58.91 (21.00)c 42.48 (15.69) 44.06 (17.04) 42.30 (14.82) 43.71 (16.94) 39.78 (13.99) 47.59 (17.70)c

Male, % (n) 48.50 (1576) 47.87 (1130) 50.76 (446) 45.38 (841) 57.14 (286)c 50.00 (524) 45.95 (568) 45.02 (449) 51.78 (550)c

White, % (n) 80.54 (2819) 82.05 (2183) 74.87 (636)c 82.41 (1689) 82.00 (486) 81.39 (1023) 83.09 (1089) 79.11 (978) 84.83 (964)

Married, % (n) 51.23 (2015) 52.75 (1604) 45.66 (411)c 52.79 (1241) 53.54 (359) 52.85 (732) 54.30 (816) 49.96 (697) 58.53 (732)c

Employed, % (n) 55.90 (2036) 61.28 (1756) 36.26 (280)c 61.93 (1396) 59.82 (354) 63.08 (854) 59.53 (837) 62.83 (878) 60.74 (678)

College education, % (n) 64.10 (2672) 73.88 (2311) 28.08 (361)c 77.47 (1835) 61.83 (467)c 78.13 (1111) 71.79 (1118)c 77.51 (1103) 72.73 (972)

Poor health, % (n) 15.04 (623) 12.36 (343) 25.00 (280) 12.97 (268) 9.97 (71) 14.19 (156) 10.82 (174) 13.92 (161) 9.93 (132)

BMI, mean (SD) 27.66 (6.53) 27.51 (6.32) 28.25 (7.27) 27.50 (6.35) 27.59 (6.99) 27.52 (6.36) 27.55 (6.73) 27.82 (6.77) 27.07 (6.39)
Health-risk behavior, % (n)

Excessive alcohol consumption 15.06 (484) 15.47 (368) 13.57 (116) 15.52 (286) 15.34 (80) 14.84 (178) 15.66 (181) 15.89 (190) 15.87 (141)

Current smoking 17.78 (615) 16.15 (419) 23.71 (196)c 15.34 (316) 19.34 (101) 16.65 (199) 15.32 (206) 19.84 (240) 11.70 (130)c

Low fruit/ vegetable intake 55.98 (2066) 54.85 (1492) 60.06 (574) 52.54 (1115) 63.72 (369)c 58.20 (706) 52.20 (732)c 54.91 (676) 54.67 (640)

Inactive/ sedentary lifestyle 14.54 (545) 11.74 (324) 25.25 (221)c 10.93 (229) 14.70 (94) 13.01 (154) 11.09 (158) 12.10 (137) 11.91 (151)

Unprotected sun exposure 87.69 (3309) 86.97 (2414) 90.29 (895)c 86.60 (1853) 88.33 (549) 86.97 (1119) 86.86 (1208) 87.48 (1101) 85.67 (1035)

Obese 28.88 (1122) 27.69 (819) 33.40 (303)c 27.94 (638) 27.07 (177) 26.51 (356) 28.76 (434) 28.64 (417) 24.49 (299)

aAll counts in table are unweighted.

bRestricted to those who have ever used the Internet.

c P<.05.