Table 1 Sociodemographic characteristics, health scores, time spent in walking and social factor scores of the sample, by perceived greenness category
Greenness category*Totalp
Low (n  =  555)Medium (n  =  710)High (n  =  630)
Age in years, mean (SD)43.7 (12.0)45.2 (11.7)47.2 (11.7)45.4 (11.9)<0.001
Gender, % men34%39%36%37%0.25
Education, % tertiary educated44%48%51%48%<0.05
Work status, % working63%66%70%67%<0.05
Household income, % $A41 600 per annum or more44%53%60%52%<0.001
Marital status, % single48%43%34%41%<0.001
SF-12, PCS mean (SD)49.1 (10.3)49.4 (9.5)50.5 (9.4)49.7 (9.7)<0.05
SF-12, MCS mean (SD)48.7 (10.4)49.6 (9.5)51.4 (9.3)49.9 (9.7)<0.001
Walking for recreation, mean (SD), minutes/day12.9 (21.2)15.2 (22.8)17.8 (23.4)15.4 (22.6)<0.01
Walking for transport, mean (SD), minutes/day23.0 (33.1)21.8 (29.6)24.2 (28.7)22.9 (30.4)0.39
Social coherence score,† mean (SD)3.0 (0.7)3.2 (0.6)3.5 (0.6)3.3 (0.7)<0.001
Local social interaction,‡ mean (SD)8.5 (7.8)9.1 (7.6)10.4 (8.3)9.4 (7.9)<0.001
  • MCS, 12-item short-form health survey (SF-12) mental component score; PCS, SF-12 physical component score.

  • *Greenness category was created by dividing the perceived greenness score into tertiles (low, medium, high).

  • †Social coherence score ranges from 1 (lowest) to 5 (highest).

  • ‡Mean number of days participants engaged in local social interaction in the past month.