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Table 1 Demographic characteristics of the study population (N = 198, female = 0)

From: Job requirements and physical demands (JRPD) questionnaire: cross-cultural adaptation and psychometric evaluation in Iranian Army personnel with chronic low back pain

Characteristics

Mean (SD)

Age (year)

32 (10.40)

Height (cm)

175 (6.80)

Weight (kg)

74 (1.10)

Pain intensity (VAS)

36 (25.30)

 

Frequency (%)

Mild pain (5–44 mm)

128 (64.60)

Moderate pain (45–74 mm)

49 (24.80)

Severe pain (75–100 mm)

21 (10.60)

Educational status

 Academic

151 (76.30)

 Non-academic

47 (23.70)

Marital status

 Single

82 (41.40)

 Married

116 (58.60)

Employment status

 Employed

128 (64.60)

 Unemployed

70 (35.40)

Service status

 Military

139 (70.20)

 Non-military

59 (29.80)

Military ranks

 Colonel

6 (3.00)

 Major

10 (5.10)

 Captain

15 (7.60)

 Lieutenant

126 (63.70)

 Master sergeant

11 (5.50)

 Sergeant

5 (2.50)

 Soldier

25 (12.60)

  1. Abbreviations: SD standard deviation, Min minimum, Max maximum, VAS visual analog scale