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Table 1 Number of people screened for tuberculosis in the Zambian national tuberculosis prevalence survey 2013–14, proportion of people diagnosed with tuberculosis and association of age group (15–54 years and 55 years and above) with demographic characteristics

From: Tuberculosis among older adults in Zambia: burden and characteristics among a neglected group

Demographic characteristic

15–54

55+

Odds Ratios (95% Confidence intervals)

  

Population

Number of Cases

Population

Number of Cases

 

Overall

 

38,619

211 (0.5%)

7484

54 (0.7%)

1.32 (0.95–1.86)

Sex

Male

16,315

122 (0.7%)

3145

30 (1.0%)

1.28 (0.80–2.04)

Female

22,304

89 (0.4%)

4339

24 (0.6%)

1.39 (0.89–2.17)

Location

Urban

13,783

126 (0.9%)

2274

19 (0.8%)

0.92 (0.58–1.44)

Rural

24,836

85 (0.3%)

5210

35 (0.7%)

1.97 (1.35–2.89)

Province

Central

2403

12 (0.5%)

503

1 (0.2%)

0.40 (0.08–1.97)

Copperbelt

6608

74 (0.1%)

1628

19 (1.2%)

1.04 (0.51–2.14)

Eastern

5990

8 (0.1%)

1167

4 (0.3%)

2.57 (1.86–3.55)

Luapula

3013

7 (0.2%)

646

2 (0.3%)

1.33 (0.31–5.69)

Lusaka

7414

63 (0.9%)

1128

8 (0.7%)

0.83 (0.49–1.42)

Muchinga

1052

2 (0.2%)

199

0 (0.0%)

NA

Northern

3296

17 (0.5%)

594

10 (1.7%)

3.31 (1.81–6.05)

North Western

2310

9 (0.4%)

530

4 (0.8%)

1.94 (1.24–3.06)

Southern

5089

11 (0.2%)

594

4 (0.7%)

3.12 (0.74–13.19)

Western

1444

8 (0.6%)

495

2 (0.4%)

0.73 (0.29–1.82)

Employment Status a

Unemployed

17,951

102 (0.6%)

2779

22 (0.8%)

1.40 (0.84–2.33)

Employed

20,405

109 (0.5%)

4494

29 (0.6%)

1.21 (0.82–1.79)

Highest Level of Education

No Schooling

2172

8 (0.4%)

2107

18 (0.9%)

2.33 (0.99–5.49)

Primary

16,759

98 (0.6%)

3916

24 (0.6%)

1.05 (0.61–1.79)

Secondary

18,081

100 (0.6%)

1243

9 (0.7%)

1.32 (0.68–2.55)

Tertiary

1576

5 (0.3%)

218

3 (1.4%)

4.35 (0.73–25.85)

Socioeconomic Status b

Lowest

7374

31 (0.4%)

1474

4 (0.3%)

0.65 (0.26–1.63)

Lower

6765

29 (0.4%)

1366

8 (0.6%)

1.37 (0.69–2.73)

Middle

7099

51 (0.7%)

1370

14 (1.0%)

1.43 (0.64–3.18)

Higher

5914

39 (0.7%)

1123

14 (1.2%)

1.90 (0.93–3.91)

Highest

4991

25 (0.5%)

849

3 (0.4%)

0.70 (0.21–2.40)

  1. Denominator is the total number of eligible individuals who took part in the study and fit into the relevant category being assessed
  2. aEmployed includes occasional seasonal workers, government employees, private sector employees, self-employed, working on own land. Unemployed includes unemployed, students and housewife/homemakers
  3. bSocioeconomic status was determined by deriving wealth indices using data collected on household assets, housing characteristics and access to utilities. This was achieved using the standard asset ownership questionnaire used in the Zambia Demographic Health Surveys