Skip to main content

Table 1 Participant characteristics according to four levels of each physical activity as measured by MET scores

From: Physical activity and recurrent fall risk in community-dwelling Japanese people aged 40–74 years: the Murakami cohort study

 

Quartiles of total PA (MET-hr/d)

 P for trend

Characteristics

Q1 (N = 1,841)

Q2 (N = 1,929)

Q3 (N = 1,893)

Q4 (N = 1,898)

 

Agea (years)

57.8 (8.9)

60.0 (9.0)

61.3 (8.4)

61.9 (8.2)

 < 0.0001

BMIa (kg/m2)

23.4 (6.3)

23.1 (3.4)

23.3 (6.5)

23.2 (4.5)

0.7449

Total PAa (MET-hr/d)

35.4 (1.5)

40.4 (1.6)

47.4 (2.9)

62.5 (7.0)

 < 0.0001

Leisure-time PAa (MET-hr/d)

0.7 (1.1)

1.8 (2.2)

2.7 (3.6)

3.0 (4.6)

 < 0.0001

Non-leisure-time PAa (MET-hr/d)

14.0 (4.6)

20.4 (5.1)

29.2 (6.5)

48.8 (10.3)

 < 0.0001

Men

843 (45.8%)

874 (45.3%)

862 (45.5%)

865 (45.6%)

0.9381

Married

1,495 (81.2%)

1,611 (83.5%)

1,574 (83.1%)

1,536 (80.9%)

0.7357

University or higher

195 (10.6%)

170 (8.8%)

86 (4.5%)

32 (1.7%)

 < 0.0001

Manual job

164 (8.9%)

248 (12.9%)

449 (23.7%)

752 (39.6%)

 < 0.0001

No job

671 (36.5%)

894 (46.4%)

843 (44.5%)

618 (32.6%)

0.0054

Current smoker

277 (15.0%)

264 (13.7%)

296 (15.6%)

298 (15.7%)

0.2798

Current drinker

1,066 (57.9%)

1,114 (57.8%)

1,040 (54.9%)

1,054 (55.5%)

0.0523

Disease history

 Stroke

33 (1.8%)

48 (2.5%)

37 (2.0%)

30 (1.6%)

0.3987

 Diabetes

157 (8.5%)

147 (7.6%)

153 (8.1%)

136 (7.2%)

0.1942

 Knee osteoarthritis

130 (7.1%)

165 (8.6%)

189 (10.0%)

240 (12.6%)

 < 0.0001

 

Four levels of leisure-time PA (MET-hr/day)

P for trend

 

Tertiles for scores > 0

 

Characteristics

0 (N = 2,425)

Low (N = 1,679)

Medium (N = 1,711)

High (N = 1,746)

 

Agea (years)

57.4 (9.0)

59.2 (8.5)

61.2 (8.4)

64.4 (7.2)

 < 0.0001

BMIa (kg/m2)

23.3 (5.3)

23.3 (3.4)

23.1 (6.3)

23.2 (5.8)

0.3889

Total PAa (MET-hr/d)

46.4 (11.9)

44.5 (10.7)

44.9 (9.8)

50.1 (9.8)

 < 0.0001

Leisure-time PAa (MET-hr/d)

0.0 (0.0)

0.4 (0.2)

1.8 (0.6)

6.9 (3.9)

 < 0.0001

Non-leisure-time PAa (MET-hr/d)

30.1 (16.4)

27.1 (15.0)

26.3 (13.8)

28.4 (12.8)

 < 0.0001

Men

1,105 (45.6%)

763 (45.4%)

767 (44.8%)

809 (46.3%)

0.7700

Married

1,989 (82.0%)

1,395 (83.1%)

1,393 (81.4%)

1,439 (82.4%)

0.9620

University or higher

116 (4.8%)

142 (8.5%)

121 (7.1%)

104 (6.0%)

0.1483

Manual job

725 (29.9%)

343 (20.4%)

274 (16.0%)

271 (15.5%)

 < 0.0001

No job

547 (22.6%)

554 (33.0%)

828 (48.4%)

1,097 (62.8%)

 < 0.0001

Current smoker

518 (21.4%)

228 (13.6%)

223 (13.0%)

166 (9.5%)

 < 0.0001

Current drinker

1,373 (56.6%)

981 (58.4%)

984 (57.5%)

936 (53.6%)

0.0796

Disease history

 Stroke

42 (1.7%)

31 (1.8%)

37 (2.2%)

38 (2.2%)

0.2330

 Diabetes

139 (5.7%)

123 (7.3%)

146 (8.5%)

185 (10.6%)

 < 0.0001

 Knee osteoarthritis

175 (7.2%)

149 (8.9%)

186 (10.9%)

214 (12.3%)

 < 0.0001

 

Quartiles of non-leisure-time PA (MET-hr/d)

 P for trend

Characteristics

Q1 (N = 1,852)

Q2 (N = 1,881)

Q3 (N = 1,929)

Q4 (N = 1,899)

 

Agea (years)

59.9 (8.9)

59.7 (9.0)

60.5 (8.8)

61.0 (8.3)

 < 0.0001

BMIa (kg/m2)

23.2 (6.2)

23.2 (3.4)

23.3 (5.7)

23.3 (5.5)

0.5269

Total PAa (MET-hr/d)

36.5 (2.8)

40.4 (3.6)

46.9 (5.0)

61.9 (7.7)

 < 0.0001

Leisure-time PAa (MET-hr/d)

1.6 (2.6)

2.0 (2.9)

2.5 (3.8)

2.2 (3.7)

 < 0.0001

Non-leisure-time PAa (MET-hr/d)

12.5 (3.2)

20.4 (2.2)

29.7 (3.7)

49.7 (9.1)

 < 0.0001

Men

828 (44.7%)

879 (46.7%)

869 (45.0%)

868 (45.7%)

0.8043

Married

1,511 (81.6%)

1,562 (83.0%)

1,612 (83.6%)

1,531 (80.6%)

0.5404

University or higher

174 (9.4%)

164 (8.7%)

116 (6.0%)

29 (1.5%)

 < 0.0001

Manual job

152 (8.2%)

242 (12.9%)

458 (23.7%)

761 (40.1%)

 < 0.0001

No job

851 (46.0%)

834 (44.3%)

790 (41.0%)

551 (29.0%)

 < 0.0001

Current smoker

254 (13.7%)

286 (15.2%)

276 (14.3%)

319 (16.8%)

0.0237

Current drinker

1,043 (56.3%)

1,099 (58.4%)

1,073 (55.6%)

1,059 (55.8%)

0.3773

Disease history

 Stroke

45 (2.4%)

35 (1.9%)

36 (1.9%)

32 (1.7%)

0.1211

 Diabetes

147 (7.9%)

173 (9.2%)

134 (6.9%)

139 (7.3%)

0.1355

 Knee osteoarthritis

158 (8.5%)

162 (8.6%)

191 (9.9%)

213 (11.2%)

0.0021

  1. Cut-off values are 37.8, 44.1, and 55.0 for men’s total PA quartiles; 37.8, 42.8, and 51.4 for women’s total PA quartiles; 0.9 and 3.0 for men’s leisure-time PA tertiles; 1.0 and 3.2 for women’s leisure-time PA tertiles; 15.9, 24.2, and 38.6 for men’s non-leisure-time PA quartiles; and 17.7, 24.6, and 36.1 for women’s non-leisure-time PA quartiles
  2. PA physical activity
  3. BMI body mass index, MET metabolic equivalent
  4. aMean with SD in parentheses