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Table 3 Frequency distribution of participants in urban (Kinondoni) and rural (Kibaha/Bagamoyo) districts of Tanzania according to category on independent variables (n = 1031).

From: Psychometric properties and the prevalence, intensity and causes of oral impacts on daily performance (OIDP) in a population of older Tanzanians

  

Urban

Rural

Variables

Categories (Code)

% (n)

% (n)

Age (years)

50–59 (1)

50.3 (257)

37.9 (197)

 

60–69 (2)

28.8 (147)

30.0 (156)

 

70+ (3)

20.9 (107)

32.1 (167)*

Gender

Male (1)

42.7 (218)

50.0 (260)

 

Female (2)

57.3 (293)

50.0 (260)*

Wealth index

1st quartile-least poor

45.4 (232)

4.4 (23)

 

2nd quartile

40.1 (205)

8.8 (46)

 

3rd quartile

11.2 (57)

35.0 (182)

 

4th quartile – poorest

3.3 (17)

51.7 (269)*

Number of decayed teeth

0–1 (0)

54.0 (276)

44.6 (232)

 

2–22 (1)

46.0 (235)

55.4 (288)*

Posterior occluding units,

10 POU (1)

12.1 (62)

22.7 (118)

 

0–9 POU (2)

87.9 (449)

77.3 (402)*

Mobile teeth

0–1 (1)

83.8 (428)

77.3 (402)

 

2–25 (2)

16.2 (83)

22.7 (118)*

Self-reported oral health status

Good (1)

74.4 (380)

54.4 (283)

 

Bad (2)

25.6 (131)

45.6 (237)*

Chewing ability

All foods (1)

74.8 (382)

63.7 (331)

 

Soft/mashed only (2)

25.2 (129)

36.3 (189)*

Number of missing teeth

0–10 (1)

83.2 (425)

82.2 (427)

 

11–19 (2)

11.9 (61)

12.3 (64)

 

20+ (3)

4.9 (25)

5.6 (29)

  1. * p ≤ 0.05.
  2. The total number in the different categories did not add up to 1031 owing to missing values.