Table 3 Demographic and medical characteristics of the study population

Demographic characteristics

Gender

0.055

 1: Male

357 (86 %)

66 (94 %)

 0: Female

58 (14 %)

4 (6 %)

Age: mean (SD)

34.6 ± 9.9

Marital status

0.483

 1: Married

290 (70 %)

52 (74 %)

 0: Single

125 (30 %)

18 (26 %)

Education

0.110

 1: Primary school

54 (13 %)

5 (7 %)

 2: Junior middle school

168 (40 %)

27 (37 %)

 3: High school

149 (36 %)

31 (44 %)

 4: University

42 (10 %)

5 (7 %)

 5: Higher levels

2 (1 %)

2 (3 %)

Expenditure

< 0.001

 Work injury insurance

294 (70 %)

31 (44 %)

 Medical insurance

27 (7 %)

6 (9 %)

 Own expense

94 (23 %)

31 (44 %)

Economic status

0.616

 1: Good

48 (12 %)

11 (16 %)

 2: Fair

297 (72 %)

48 (69 %)

 3: Bad

70 (16 %)

11 (16 %)

Family support

0.099

 1: Good

25 (6 %)

8 (11 %)

 2: Fair

117 (28 %)

23 (33 %)

 3: Bad

273 (66 %)

37 (53 %)

Employer support

0.580

 1: Good

35 (9 %)

10 (14 %)

 2: Fair

192 (46 %)

38 (54 %)

 3: Bad

188 (45 %)

22 (31 %)

Burn characteristics

Cause

0.521

 Fire

212 (51 %)

37 (53 %)

 Thermal

74 (18 %)

14 (20 %)

 Blast

40 (10 %)

8 (11 %)

 Electrical

54 (13 %)

4 (6 %)

 Others

35 (8 %)

7 (10 %)

Area

0.213

 1: <30 %

145 (35 %)

17 (24 %)

 2: 30–50 %

93 (22 %)

14 (20 %)

 3: 50–90 %

127 (31 %)

28 (40 %)

 4: >90 %

50 (12 %)

11 (16 %)

Depth

0.249

 1: Epithelium

126 (30 %)

16 (22 %)

 2: Top aspect of the dermis

247 (60 %)

49 (70 %)

 3: Dermis

42 (10 %)

5 (7 %)

Region

0.337

 Above neck

5 (1 %)

0 (0 %)

 Upper limbs

32 (8 %)

3 (4 %)

 Lower limbs

18 (4 %)

5 (7 %)

 Trunk

4 (1 %)

2 (3 %)

 Multiple regions

356 (86 %)

60 (86 %)

Rehabilitation days since onset: median (IQR)

109 (60–181)

90 (60–180)

0.330

Duration of treatment (days): median (IQR)

90 (60–180)

60 (30–127)

< 0.001