Table 2 Data for participants who were runners/walkers and runners/walkers who volunteer. Data in grey-italic indicate numbers < 10. (Percentages may not sum to 100% due to rounding)

(a) Demographic

Deprived sub-sample

Inactive sub-sample

Deprived / inactive sub-sample

Survey responses (n)

4384

2184

237

Proportion female

52.5%

54.8%

56.1%

 n

4377

2183

237

 Mean

44.3 ^z

45.6 ^z

43.6 ^z

 Standard deviation

12.7

12.6

12.0

 Effect size

0.29

0.19

0.34

 n

4384

2134

237

 Quartile 1

100%

11.1%

100%

 Quartile 2

22.2%

 Quartile 3

30.4%

 Quartile 4

36.3%

 n

4041

2184

237

 Inactive < 1 per week

5.9%

100%

100%

 Active ≈ 1 per week

11.3%

 Active ≈ 2 per week

22.5%

 Active ≈ 3 per week

34.0%

 Active ≥4 per week

26.3%

 n

4342

2167

233

 White

94.0%

94.9%

93.1%

 Black, Asian or Other ethnic background

5.3%

4.5%

6.0%

 Rather not say

0.8%

0.6%

0.9%

 n

4277

2117

229

 Full-time paid employment

64.6%

59.3%

64.2%

 Part-time paid employment

11.6%

15.7%

15.3%

 Fully retired

7.4%

8.1%

4.4%

 Self-employed

8.0%

8.6%

6.6%

 Student

3.4%

3.3%

3.1%

 Unemployed and not working

1.7%

2.1%

3.1%

 Other

3.4%

2.8%

3.5%

(b) Health at survey

Deprived sub-sample

Inactive sub-sample

Deprived / inactive sub-sample

 n

4384

2184

237

 Mean

7.35 ^z

7.26 ^z

7.11 ^y

 Standard deviation

1.80

1.79

1.95

 Effect size

0.10

0.15

0.24

 n

4384

2183

237

 Mean

7.58 ^z

7.48 ^z

7.37 ^z

 Standard deviation

1.54

1.53

1.60

 Effect size

0.12

0.19

0.27

 n

4205

2093

225

 Mean

79.3 ^z

77.3 ^z

74.7 ^z

13.7

14.3

15.2

 Effect size

0.13

0.29

0.50

(c) Motives

Deprived sub-sample

Inactive sub-sample

Deprived / inactive sub-sample

 n

4344

2161

234

To contribute to my fitness

(1) 52.2%

(1) 50.6%

(2) 45.3%

To improve my physical health

(2) 39.5%

(2) 49.1%

(1) 48.3%

To gain a sense of personal achievement

(3) 26.0%

(4) 25.4%

(5) 25.6%

To get a recorded time for a 5 k

(4) 22.0%

(7) 11.7%

(7) 12.8%

To manage my weight

(5) 21.4%

(3) 29.2%

(3) 32.5%

My friends, family or colleagues encouraged me to

(7) 15.1%

(5) 24.5%

(4) 26.1%

To train for another sport/event

(8) 13.9%

(10) 6.7%

(9) 8.1%

To improve my mental health

(6) 16.8%

(6) 17.1%

(6) 18.8%

To feel part of a community

(9) 11.3%

(9) 6.8%

(10) 6.0%

To spend time outdoors

(10)10.2%

(8) 8.2%

(8) 10.3%

(d) parkrun participation

Deprived sub-sample

Inactive sub-sample

Deprived / inactive sub-sample

 n

4300

2184

237

 Mean

2.71 ^z

2.40 ^z

2.28 ^z

 SD

2.30

1.92

1.80

 Median

2.17

1.99

1.84

 Q1-Q3

0.72–4.20

0.74–3.82

0.68–3.46

 Effect size

0.17

0.29

0.34

 n

4193

2116

232

 Mean

39.2 ^z

37.4 ^z

35.0 ^x

 Standard deviation

54.7

46.9

48.2

 Median

17

18

15

 Q1-Q3

5–51

6–50

6–44

 Effect size

0.11

0.14

0.18

 n

2942

1447

151

 Mean

14.12 ^x

15.53 ^y

14.78

 Standard deviation

12.02

12.50

12.67

 Median

10.7

12.2

11.0

 Q1-Q3

3.9–22.5

4.4–25.4

3.9–24.1

 Effect size

0.04

0.08

0.01

(e) physical activity at the survey

Full sample

Deprived sub-sample

Inactive sub-sample

 n

59,967

4382

2183

 Mean

3.59

3.45 ^z

2.41 ^z

 Standard deviation

1.77

1.81

1.67

 Median

3

3

2

 Q1 – Q3

2–5

2–5

1–3

 Effect size

0.08

0.67

IPAQ n

45,496

3303

1568

 Proportion low or moderate physical activity

35.8%

38.0%

62.2%

 Proportion high physical activity (health enhancing)

64.2%

62.0%

37.8%