Skip to main content

Table 2 Comparison of study group and participants in the AGES-Reykjavik Study

From: Assessing validity of a short food frequency questionnaire on present dietary intake of elderly Icelanders

 

Men

AGES

Study group

p-value

Women

AGES

Study group

p-value

Participants, n

2102

53

 

2699

75

 

Age, y (sd)

76.5 (5.3)

74.2 (6.0)

0.011

76.1 (5.5)

73.3 (5.5)

< 0.001

Height, cm (sd)

175.5 (6.2)

176.5 (7.1)

0.248

160.9 (5.7)

162.5 (5.7)

0.016

Weight, kg (sd)

82.6 (13.3)

92.7 (17.4)

< 0.001

70.5 (13.3)

74.8 (11.9)

0.004

Smokers, %

12

5.7

0.170

12.9

9.3

0.383

Physical activity, walk (sd)*

3.7 (3.0)

3.3 (4.0)

0.003

3.3 (3.7)

2.6 (2.6)

0.001

Abdominal circumference, cm (sd)

102.1 (10.5)

108.2 (12.7)

< 0.001

99.4 (12.9)

93.9 (11.2)

< 0.001

BMI, kg/m 2 (sd)

26.8 (3.8)

29.7 (4.9)

< 0.001

27.2 (4.8)

28.4 (4.6)

0.035

FFM, kg (sd)

63.8 (7.6)

56.7 (6.9)

< 0.001

45.8 (6.3)

41.1 (4.6)

< 0.001

FAT, kg (sd)

18.5 (7.0)

32.9 (11.0)

< 0.001

24.3 (7.4)

31.7 (8.9)

< 0.001

Percent body fat, % (sd)

21.8 (5.5)

34.5 (5.9)

< 0.001

34.0 (5.0)

41.9 (6.6)

< 0.001

Systolic blood pressure, mmHg (sd)

142.8 (19.8)

148.0 (19.6)

0.005

141.9 (20.6)

137.2 (16.8)

0.060

Diastolic blood pressure, mmHg (sd)

76.0 (9.4)

77.6 (9.6)

0.357

72.1 (9.5)

74.1 (8.9)

0.099

  1. *Hours spent walking per week, average time over the whole year
  2. BMI = Body mass index; FFM = Fat free mass; FAT = Fat mass