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Table 2 Descriptive statistics for knowledge about tobacco products among Ellisras rural children aged 11 to 18 years

From: Advertisement and knowledge of tobacco products among Ellisras rural children aged 11 to 18 years: Ellisras Longitudinal study

Number Statement Age range
   11-12 years 13-14 years 15-16 years 17-18 years
   Boys Girls Boys Girls Boys Girls Boys Girls
   N = 142 N = 134 N = 205 N = 196 N = 308 N = 294 N = 199 N = 176
   % (n) % (n) % (n) % (n) % (n) % (n) % (n) % (n)
1a Smoking is harmful to one’s health 80.3(114) 75.4(101) 73.7(151) 77.0(151) 79.9(246) 79.9(235) 74.9(149) 77.3(136)
1b Smoking is good for your health 7.7(11) 10.4(14) 10.7(22) 6.6(13) 5.8(18) 7.1(21) 7.0(14) 9.1(16)
1c Smoking has no effect on one’s health 12.0(17) 14.2(19) 15.6(32) 16.3(32) 14.3(44) 12.9(38) 18.1(36) 13.6(24)
2a Smoking is bad for women who are pregnant 62.7(89) 64.9(87) 62.4(128) 62.8(123) 67.9(209) 72.1(212) 71.4(142) 69.3(122)
2b Smoking is good for women who are pregnant 14.8(21) 16.4(22) 11.7(24) 15.3(30) 12.0(37) 9.9(29) 8.5(17) 11.4(20)
2c Smoking has no effect on women who are pregnant 22.5(32) 18.7(25) 25.9(53) 21.9(43) 20.1(62) 18.0(53) 20.1(40) 19.3(34)
3a Smoking near you is harmful to your health 72.5(103) 70.1(94) 74.6(153) 84.2(165) 83.1(256) 83.7(246) 86.4(172) 80.1(141)
3b Smoking near you is good for your health 12.7(18) 12.7(17) 10.7(22) 7.7(15) 7.1(22) 6.8(20) 7.0(14) 6.8(12)
3c Smoking has no effect on your health 14.8(21) 17.2(23) 14.6(30)* 8.2(16)* 9.7(30) 9.5(28) 6.5(13)* 13.1(23)*
4a Chewing tobacco is much healthier than smoking cigarettes 23.2(33) 17.9(24) 23.4(48) 16.8(33) 19.5(60) 16.7(49) 17.1(34) 14.2(25)
4b Chewing tobacco is not healthier than smoking cigarettes 43.0(61) 49.3(66) 34.6(71)* 48.5(95)* 40.3(124) 38.1(112) 37.2(74) 40.9(72)
4c There is no difference between chewing tobacco smoking cigarettes they are all bad 33.8(48) 32.8(44) 42.0(86) 34.7(68) 40.3(124) 45.2(133) 45.7(91) 44.9(79)
5a There is no harm to your health in taking snuff. 28.9(41) 26.1(35) 21.5(44) 18.9(37) 25.3(78) 23.8(70) 22.1(44) 25.6(45)
5b It is bad for your health to take snuff 58.5(83) 60.4(81) 62.9(129) 70.9(139) 65.3(201) 65.0(191) 66.8(133) 62.5(110)
5c It has no effect on your health 12.7(18) 13.4(18) 15.6(32) 10.2(20) 9.4(29) 11.2(33) 11.1(22) 11.9(21)
6a Snuff is good for women who are stressed. 19.0(27) 25.4(34) 19.0(39) 15.3(30) 23.1(71) 19.0(56) 17.6(35) 15.9(28)
6b Snuff is not good for women who are stressed 61.3(87) 44.0(59) 46.8(96) 48.5(95) 50.3(155) 50.3(148) 47.7(95) 45.5(80)
6c Snuff has no effect on women who are stressed 19.7(28) 30.6(41) 34.1(70) 36.2(71) 26.6(82) 30.6(90) 34.7(69) 38.6(68)
7a Smoking a pipe is healthier than smoking cigarettes 10.6(15) 11.9(16) 9.8(20) 10.2(20) 9.1(28) 10.2(30) 7.5(15) 9.1(16)
7b Smoking a pipe is not healthier than smoking cigarettes 65.5(93) 67.2(90) 68.8(141) 64.8(127) 65.3(201) 65.0(191) 61.3(122) 56.8(100)
7c There is no difference smoking a pipe or cigarettes they are all bad 23.9(34) 20.9(28) 21.5(44) 25.0(49) 25.6(79) 24.8(73) 31.2(62) 34.1(60)
8a It doesn’t help giving up smoking when you are old, since the damage has been done 19.0(27)* 32.1(43)* 27.8(57) 24.5(48) 20.1(62) 22.4(66) 23.1(46) 21.6(38)
8b It does help giving up smoking when you are old, since the damage can be stopped 40.1(57) 27.6(37) 28.8(59) 31.6(62) 38.6(119) 33.0(97) 32.2(64) 35.8(63)
8c It doesn’t matter whether you stop or don’t stop smoking 40.8(58) 40.3(54) 43.4(89) 43.9(86) 41.2(127) 44.6(131) 44.7(89) 42.6(75)
9a Smoking cigarettes is only bad when you smoke more than 20 a day 53.5(76) 40.3(54) 31.2(64) 39.3(77) 32.1(99) 35.4(104) 28.6(57) 26.7(47)
9b Smoking less than 20 cigarettes a day is also bad for you 29.6(42) 34.3(46) 41.5(85) 38.8(76) 37.7(116) 34.4(101) 40.7(81) 41.5(73)
9c It doesn’t matter how many you smoke or don’t smoke 16.9(24) 25.4(34) 27.3(56) 21.9(43) 30.2(93) 30.3(89) 30.7(61) 31.8(56)
  1. *P < 0.05.