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Table 1 Study Characteristics

From: Understanding how environmental enhancement and conservation activities may benefit health and wellbeing: a systematic review

Primary ref

Ref

Additional paper refs

Study type and report type

Country

Design

N

% women

Mean age

Participants

Activity descriptors and environment

Intensity

Comparator

Quality grading

Barton et al. 2009

[46]

[91, 92]

Quantitative, thesis and peer reviewed articles

UK

uBA

19

26

~60

Volunteers

Conservation. Rural natural environment.

NR

Active recreation

Weak

Brooker and Brooker 2008a

[42]a

 

Quantitative, unpublished case study

UK

N of 1 uBA

1

100

49

Volunteers

Green Gym. Rural natural environment.

“Regular”

Other physical activity

Weak

Brooker and Brooker 2008aa

[43]a

 

Quantitative, unpublished case study

UK

N of 1 uBA

1

100

49

Volunteers

Green Gym. Rural natural environment.

“Regular”

Other physical activity

Weak

BTCV 2009

[36]

 

Quantitative, unpublished evaluation report

UK

uBA

122

47

9

School pupils

Green Gym. Mixed natural environments.

1 – 1.5 hours per week

N/A

Weak

Eastaugh et al. 2010

[33]

 

Quantitative, unpublished evaluation report

UK

uBA

8

NR

NR

Referred and voluntary

Conservation. Woodlands.

NR

N/A

Weak

Moore et al. 2006

[44]

 

Quantitative, peer reviewed article

Australia

Case control

102

37

55

Volunteers

Conservation. Rural natural environment.

NR

Community members not involved in conservation

Weak

Pillemer et al. 2010

[45]

 

Quantitative, peer reviewed article

Canada

Cohort

2630

57

45

NR

Conservation. No detail on environment.

NR

Alternative volunteering

Weak

Reynolds 1999a

[47]

[93]

Quantitative, peer reviewed article and unpublished evaluation report

UK

uBA

16

49

60

Volunteers

Green Gym. Rural natural environment.

3 hours twice a week

N/A

Weak

Small Woods 2011

[40]

[94]

Quantitative, unpublished evaluation reports

UK

uBA

7

100

NR

Referred

Woodland management. Woodlands.

NR

N/A

Weak

Yerrell 2008

[41]

 

Quantitative, unpublished evaluation report

UK

uBA

194

40

45

Volunteers and referred

Green Gym. Mixed natural environments.

1-4 hours once a week

N/A

Weak

Birch 2005

[48]

 

Qualitative, peer reviewed article

UK

Interviews, ethnographic

3

67

42

Volunteers

Green Gym. Rural natural environment.

3 hrs twice weekly

N/A

Poor

Burls 2007

[34]

 

Qualitative, peer reviewed article

UK

Focus groups, ethnographic

11

NR

NR

Volunteers

Conservation gardening. Urban natural environments.

NR

N/A

Poor

Carter and O'Brien 2008

[39]

[95]

Qualitative, unpublished evaluation report

UK

“qualitative evaluation”

NR

NR

NR

Referred

Habitat Restoration. Rural natural environments, woodlands

1-2 days per week for 6 months

N/A

Poor

Christie 2004

[49]

 

Qualitative, unpublished report

Australia

Interviews

18

NR

30

Volunteers

Bush Regeneration. Rural natural environment.

NR

N/A

Poor

Gooch 2005

[35]

 

Qualitative, peer reviewed article

Australia

Interviews

85

NR

NR

Volunteers

Conservation activities. Natural environments, water catchments.

NR

N/A

Poor

Halpenny and Caissie 2003

[50]

[96]

Qualitative, peer reviewed articles

Canada

Interviews

10

50

40

Volunteers

Restoring habitats. Rural natural environments.

3-17 day vacations

N/A

Good

Miller et al. 2002

[37]

 

Qualitative, peer reviewed article

USA

Focus groups, ethnographic

30

NR

19

Students

Trail creation. Urban natural environments.

1 day per week for 10 weeks

N/A

Poor

O'Brien et al. 2011

[53]

 

Qualitative, peer reviewed article

UK

Ethnographic

10

40

40

Volunteers

Wildlife gardening. Urban natural environment.

2-3 days per week

N/A

Good

Townsend and Marsh 2004

[52]

 

Qualitative, unpublished evaluation report

Australia

Interviews, focus groups

NR 18+

33

65

Volunteers

Restoration of reserve. Rural natural environment.

NR

N/A

Poor

Townsend 2006

[51]

[97]

Qualitative, peer reviewed article and unpublished evaluation report

Australia

Interviews

35

NR

NR

Volunteers

Maintenance of creek and reserves. Rural natural environment.

NR

N/A

Poor

BTCV 2010

[38]

 

Mixed, unpublished evaluation report

UK

uBA

136

NR

NR

Volunteers and referred

Green Gym. Rural natural environment.

NR

N/A

Weak

Interviews

19

16

NR

Poor

O'Brien et al. 2010

[54]

[98]

Mixed, peer reviewed article and unpublished evaluation report

UK

uBA

88

28

43

Volunteers

Vegetation Clearing. Rural natural environment.

0 - 33 hrs per month

N/A

Weak

Interviews, ethnographic

Good

Wilson 2009

[32]

 

Mixed, unpublished evaluation report

UK

uBA

77

26

41

Referred

Conservation. Rural natural environment, woodlands.

3 hours per week for 12 weeks

N/A

Weak

Interviews

Poor

  1. aStudies not included in the synthesis due to small n. uBA, uncontrolled Before and After study. N/A, Not Applicable. NR, Not Reported