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Table 3 Duration and frequency of exposure-related activities (doers only)

From: Longitudinal variability of time-location/activity patterns of population at different ages: a longitudinal study in California

Activities

Children

(N of questionnaires = 985)

Parents of young children

(N of questionnaires = 985)

Older adults

(N of questionnaires = 509)

 

% doers

Mean

SD

Med

90th

% doers

Mean

SD

Med

90th%

% doers

Mean

SD

Med

90th%

Duration of daily activity (minute/day)

Weekday

N = 511

    

N = 511

    

N = 258

    

Any moderate activity

91%

192

128

180

360

92%

219

173

180

480

89%

168

128

125

330

Moderate outdoor activity > 30 minutes

56%

77

77

60

135

33%

85

79

60

180

31%

118

123

60

270

Any vigorous activity

77%

126

83

120

240

28%

79

53

60

140

28%

114

105

70

210

Vigorous outdoor activity > 30 minutes

56%

87

88

60

150

15%

104

136

60

180

14%

97

63

80

190

Being in the garage

19%

17

43

5

25

26%

29

98

10

30

51%

58

132

20

90

Using stovea

32%

36

107

15

60

65%

57

53

45

120

53%

56

67

45

120

Using computer

33%

63

76

45

120

90%

217

183

150

480

87%

160

109

125

360

Watching TV

88%

110

74

90

200

78%

110

73

120

180

93%

205

148

180

360

Being in a room with windows open

--

--

--

--

--

62%

380

280

300

780

64%

437

271

420

780

Weekend

N = 474

    

N = 474

    

N = 251

    

Any moderate activity

92%

213

135

180

370

93%

219

160

180

480

88%

185

137

150

360

Moderate outdoor activity > 30 minutes

59%

92

81

60

180

42%

107

90

75

190

34%

101

88

60

210

Any vigorous activity

74%

142

98

120

300

22%

106

101

60

240

25%

135

107

120

255

Vigorous outdoor activity > 30 minutes

50%

110

75

90

210

14%

119

121

73

225

15%

115

63

105

240

Being in the garage

23%

25

81

10

30

31%

24

67

10

60

48%

46

104

20

75

Using stovea

29%

32

95

15

60

58%

62

50

60

120

52%

69

99

45

135

Using computer

38%

79

110

60

140

74%

111

119

60

240

79%

114

79

90

225

Watching TV

87%

121

84

120

240

81%

129

95

120

240

89%

238

168

188

480

Being in a room with windows open

--

--

--

--

--

71%

401

268

325

780

66%

448

273

390

780

Frequency of weekly activity (time/week)

Moderate outdoor activity (> 30 minutes)*

84%

6

4

5

10

65%

4

4

3

7

49%

5

4

4

8

Vigorous outdoor activity (> 30 minutes)*

81%

6

4

5

10

51%

4

4

3

6

39%

3

3

3

7

Purchasing gas at a gas station

--

--

--

--

--

93%

1

1

1

2

88%

1

1

1

2

Food store visit

85%

1

1

1

3

96%

2

1

2

3

95%

2

2

2

3

Frequency of monthly activity (time/month)

Multi-purpose store visit

92%

2

2

2

4

97%

3

2

2

5

95%

3

2

3

5

Other store visit

83%

2

3

1

4

89%

3

4

2

5

82%

4

8

2

8

Barbeque

29%

2

2

2

5

44%

3

4

2

6

44%

4

4

3

12

Visiting bar/nightclub

--

--

--

--

--

16%

1

1

1

2

11%

1

1

1

2

  1. a For children, approaching stove when adults were cooking.
  2. * An outlier in parent of young children with the frequency of 100 times/week was excluded.