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Table 1 General characteristics of users and non-users of nonvitamin/nonmineral supplements

From: Prevalence of nonvitamin, nonmineral supplement usage among students in a Turkish university

  Non-users
n(%)
1563(83.5)
Users
n(%)
308(16.5)
Total
n(%)
1871(100.0)
Sex x2 = 5.594; p = 0.018
   Men 758(83.4) 151(16.6) 909(48.6)
   Women 805(83.7) 157(16.3) 962(51.4)
Ages x2 = 35.732; p = 0.000
   ≤ 18 358(86.7) 55(13.3) 413(22.1)
   19–20 789(84.6) 144(15.4) 933(49.9)
   21–22 292(85.1) 51(14.9) 343(18.3)
   ≥ 23 124(68.1) 58(31.9) 182(9.7)
BMI values x2 = 73.392; p = 0.000
   Underweight (<18.5) 199(67.7) 95(32.3) 294(15.7)
   Normal weight (≥ 18.5 – ≤ 24.99) 1212(86.6) 187(13.4) 1399(74.8)
   Overweight (≥ 25 – ≤ 29.9) 121(90.3) 13(9.7) 134(7.2)
   Obese (≥ 30 – ≤ 39.9) 31(70.5) 13(29.5) 44(2.4)
Type of school x2 = 23.573; p = 0.000
   Medicine 164(79.2) 43(20.8) 207(11.1)
   Engineering and architecture 536(88.4) 70(11.6) 606(32.4)
   Science and literature 332(82.4) 71(17.6) 403(21.5)
   Economics 204(79.7) 52(16.9) 256(13.7)
   Education 144(77.0) 43(23.0) 187(10.0)
   College of health services. 183(86.3) 29(13.7) 212(11.3)
Year in school ns
   Freshman 570(85.6) 96(14.4) 666(35.6)
   Sophomore 556(80.8) 132(19.2) 688(36.8)
   Junior 168(86.2) 27(13.8) 195(10.4)
   Senior 269(83.5) 53(16.5) 322(17.2)
Marital status ns
   Single 1520(83.7) 296(16.3) 1816(97.1)
   Married 33(82.5) 7(17.5) 40(2.1)
   Divorced/widow(er)/separated 10(66.7) 5(33.3) 15(0.8)
Mother's education level x2 = 11.940; p = 0.008
   Primary school and lower 848(84.8) 152(15.2) 1000(53.4)
   Secondary school 106(74.1) 37(25.9) 143(7.6)
   High school 395(84.9) 70(15.1) 465(24.9)
   College or university 214(81.4) 49(18.6) 263(14.1)
Father's education level x2 = 7.807; p = 0.050
   Primary school and lower 416(87.6) 59(12.4) 475(25.4)
   Secondary school 149(83.2) 30(16.8) 179(9.6)
   High school 537(81.7) 120(18.3) 657(35.1)
   College or university 461(82.3) 99(17.7) 560(29.9)
Family income x2 = 22.971; p = 0.000
   Low 763(86.7) 117(13.3) 880(47.0)
   Moderate 566(83.4) 113(16.6) 679(36.3)
   High 234(75.0) 78(25.3) 312(16.7)
Most permanent place of residence x2 = 13.642; p = 0.001
   Village/town 141(79.7) 36(20.3) 177(9.5)
   City 1207(85.3) 208(14.7) 1415(75.6)
   Metropolis 215(77.1) 64(22.9) 279(14.9)
Smoking status x2 = 15.435; p = 0.000
   Nonsmoker 1093(85.7) 183(14.3) 1276(68.2)
   Current smoker 390(80.1) 97(19.9) 487(26.0)
   Former smoker 80(74.1) 26(25.9) 108(5.8)
Participation in sport x2 = 9.193; p = 0.010
   No 724(82.5) 154(17.5) 878(46.9)
   Former 580(82.4) 124(17.6) 704(37.6)
   Yes 259(89.6) 30(10.4) 289(15.4)
Exercise x2 = 12.205; p = 0.002
   Never 440(83.5) 87(16.5) 527(28.2)
   Fewer than 3 times per month 862(85.6) 145(14.4) 1007(53.8)
   More than 3 times per month 261(77.4) 76(22.6) 337(18.0)
Self-reported health ns
   Fair/poor 400(83.2) 81(16.8) 481(25.7)
   Good-excellent 1163(83.7) 227(16.3) 1390(74.3)