Table 1 Demographic characteristics^b

Age, years

n= 479

n= 202

n= 277

0.139

 Median, (25th, 75th percentile)

30 (27, 34)

30 (26, 33)

30 (27, 36)

 Mean (±SD)

31 (±6.8)

33 (±5.2)

32 (±7.7)

 Range

19–74

19–60

20–74

Sex

n= 476

n= 201

n= 275

0.362

 Female, n (%)

342 (71.9%)

140 (69.7%)

202 (73.5%)

 Male, n (%)

134 (28.2%)

61 (30.4%)

73 (26.6%)

Marital status

n= 475

n= 202

n= 273

0.471

 Married/cohabitating, n (%)

241 (50.7%)

105 (52.0%)

136 (49.8%)

 Single/widowed, n (%)

228 (48.0%)

96 (47.5%)

132 (48.4%)

 Divorced/separated, n (%)

6 (1.3%)

1 (0.5%)

5 (1.8%)

Highest level of education

n= 471

n= 198

n= 273

0.004

 No schooling, n (%)

1 (0.2%)

0 (0.0%)

1 (0.4%)

 Junior/senior high/technical school, n (%)

38 (8.1%)

8 (4.0%)

30 (11.0%)

 University/postgraduate, n (%)

408 (86.6%)

174 (87.9%)

234 (85.7%)

 Other, n (%)

24 (5.1%)

16 (8.1%)

8 (2.9%)

Work with ambulances^a

n= 190

n= 190

N/A

 Yes, n (%)

73 (38.4%)

73 (38.4%)

–

 No, n (%)

117 (61.6%)

117 (61.6%)

–

Region of residence in Ghana

n= 479

n= 202

n= 277

< .001

 Ashanti Region, n (%)

70 (14.6%)

41 (20.3%)

29 (10.5%)

 Brong Ahafo Region, n (%)

30 (6.3%)

19 (9.4%)

11 (4.0%)

 Central Region, n (%)

38 (7.9%)

17 (8.4%)

21 (7.6%)

 Eastern Region, n (%)

18 (3.8%)

10 (5.0%)

8 (2.9%)

 Greater Accra Region, n (%)

240 (50.%)

72 (35.6%)

168 (60.7%)

 Northern Region, n (%)

20 (4.2%)

11 (5.5%)

9 (3.3%)

 Upper East Region, n (%)

5 (1.0%)

3 (1.5%)

2 (0.7%)

 Upper West Region, n (%)

7 (1.5%)

4 (2.0%)

3 (1.1%)

 Volta Region, n (%)

30 (6.3%)

18 (8.9%)

12 (4.3%)

 Western Region, n (%)

21 (4.4%)

7 (3.5%)

14 (5.1%)