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Table 1 Participation in the HUNT3 survey (2006-08) aged 30+, and individuals with valid data on subjective memory impairment (SMI) after imputation, by age and gender

From: Gender differences in subjective memory impairment in a general population: the HUNT study, Norway

 

Women

Men

Total

 

Invited

Participateda

Valid SMI datab

Invited

Participateda

Valid SMI datab

Invited

Participateda

Valid SMI datab

Age

n

n

%

n

%c

n

n

%

n

%c

n

n

%

n

%c

30-39

7832

4019

51.3

3107

39.7

7914

2862

36.2

1877

23.7

15746

6881

43.7

4984

31.7

40-49

8524

5447

63.9

4459

52.3

9212

4557

49.5

3348

36.3

17736

10004

56.4

7807

44.0

50-59

8415

5991

71.2

5033

59.8

8898

5418

60.9

4350

48.9

17313

11409

65.9

9383

54.2

60-69

6892

5137

74.5

4495

65.2

6909

4674

67.7

3969

57.4

13801

9811

71.1

8464

61.3

70-79

4583

3080

67.2

2612

57.0

4011

2664

66.6

2287

57.0

8594

5744

66.8

4899

57.0

80+

4056

1439

35.5

1086

26.8

2330

1001

43.0

782

33.6

6386

2440

38.2

1868

29.3

Total

40302

25113

62.3

20792

51.6

39274

21176

53.9

16613

42.3

79576

46289

58.2

37405

47.0

  1. aParticipated by returning answered Q1. bValid data on all nine SMI questions after imputation. c Per cent of invited.