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Table 3 Frequency distribution of oral health related behaviors (dental fluorosis, daily use of teeth as tool and TMD) overall and by ethnic groups

From: Oral diseases and oral health related behaviors in adolescents living in Maasai population areas of Tanzania: a cross-sectional study

Variable

Overall (N = 906) % (n)

Maasai (n = 721) %(n)

Non Maasai (n = 185) %(n)

p-value*

Source of drinking water

 Tap water

56.7 (514)

49.8 (359)

83.8 (155)

 

 Non tap water

43.3 (392)

50.2 (362)

16.2 (30)

0.001

Family uses magadi

 No

59.9 (483)

57.7 (374)

69.0 (109)

 

 Yes

40.1 (323)

42.3 (274)

31.0 (49)

0.010

Do you use teeth for nail biting?

 No

54.9 (497)

55.9 (403)

50.8 (94)

 

 Yes

45.1 (409)

44.1 (318)

49.2 (91)

0.215

Do you use teeth for pen/pencil biting?

 No

58.1 (526)

58.9 (425)

54.6 (101)

 

 Yes

41.9 (380)

41.1 (296)

45.4 (81)

0.285

Do you use teeth for opening soda?

 No

48.2 (437)

48.1 (347)

48.6 (90)

 

 Yes

51.8 (469)

51.9 (374)

51.4 (95)

0.899

Do you use teeth for holding needle?

 No

57.9 (525)

57.6 (415)

59.5 (110)

 

 Yes

42.1 (381)

42.4 (306)

40.5 (75)

0.640

Do you use teeth for chewing sticks?

 No

57.1 (517)

55.2 (398)

64.3 (119)

 

 Yes

42.9 (389)

44.8 (323)

35.7 (66)

0.025

Do you use teeth for chewing roots?

 No

61.0 (553)

56.7 (409)

77.8 (144)

 

 Yes

39.0 (353)

43.3 (312)

22.2 (41)

< 0.001

Do you use teeth for chewing sunflower?

 No

57.3 (519)

58.9 (425)

50.8 (94)

 

 Yes

42.7 (387)

41.1 (296)

49.2 (91)

0.046

Do you eat vegetables?

 No

11.5 (104)

11.8 (85)

10.3 (19)

 

 Yes

88.5 (802)

88.2 (636)

89.7 (166)

0.563

Do you eat fruits

 No

4.6 (42)

5.0 (36)

3.2 (6)

 

 Yes

95.4 (864)

95.0 (685)

96.8 (179)

0.313

Do you clench or grind your teeth?

 No

64.8 (587)

64.8 (467)

64.9 (120)

 

 Yes

19.1 (173)

19.0 (137)

19.5 (36)

 

 I don’t know

16.1 (146)

16.2 (117)

15.7 (29)

0.978

  1. *Pearson’s Chi-square test