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Table 1 Descriptive statistics of the study population stratified on persistent analgesic use and in total (n = 10,486), and among the prospective study cohort at baseline (n = 9,657)

From: Pain sensitivity and analgesic use among 10,486 adults: the Tromsø study

  

Not persistent analgesic users

Persistent analgesic users

Total study population

Study cohort at baseline

Age, y, median, IQR

 

58

45–65

59

47–67

58

45–65

58

45–65

Women, % n

 

51.2

5,151

59.7

253

51.5

5,404

51.0

4,929

Education, % n

Primary/secondary school

26.0

2,584

36.2

152

26.4

2,736

25.8

2,463

 

Upper secondary education

33.9

3,374

38.3

161

34.1

3,535

33.6

3,211

 

College/university (less than four years)

18.6

1,852

12.9

54

18.4

1,906

18.8

1,794

 

College/university (four years or more)

21.6

2,146

12.6

53

21.2

2,199

21.9

2,091

Physical activitya, % n

Never or less than once a week

21.0

2,068

28.5

117

21.3

2,185

21.0

1,985

 

Once a week

20.3

1,996

21.2

87

20.3

2,083

20.5

1,934

 

2-3 times a week

39.3

3,866

32.8

135

39.1

4,001

39.2

3,702

 

Approximately every day

19.4

1,903

17.5

72

19.3

1,975

19.3

1,824

Psychological distress, % n

 

7.2

694

19.5

79

7.7

773

7.1

659

Chronic pain, % n

 

32.1

3,226

82.3

348

34.1

3,574

31.2

3,004

Cold pressor test

Cold endurance time (s), median, IQR

106

71–106

106

46–106

106

70–106

106

71–106

  1. IQR interquartile range, NRS numerical rating scale
  2. aFrequency of exercise