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. 2013 Sep 3;8(9):e72754. doi: 10.1371/journal.pone.0072754

Table 5. Split-sample estimations: respondents who are married/in common-law partnerships (sample A) v.s. the rest (sample B) - the Happiness Monitor survey.

Ladder Satisfaction Happiness
A B A B A B
Real-life friends: 10–20 0.12 0.55 0.38 0.74 0.4 0.77
(0.08) (0.12)*** (0.11)*** (0.17)*** (0.1)*** (0.15)***
Real-life friends: 20–30 0.04 0.8 0.36 1.23 0.42 1.16
(0.11) (0.17)*** (0.17)** (0.24)*** (0.14)*** (0.22)***
Real-life friends: 30 or more 0.14 0.72 0.24 0.87 0.44 1.12
(0.14) (0.18)*** (0.18) (0.26)*** (0.18)** (0.22)***
Online friends: 1–100 −.20 −.004 −.19 −.05 −.15 −.03
(0.08)** (0.14) (0.12) (0.2) (0.11) (0.18)
Online friends: 100–300 −.16 −.17 −.10 −.24 −.05 0.14
(0.11) (0.18) (0.17) (0.26) (0.16) (0.24)
Online friends: 300 or more −.20 −.18 −.49 −.14 0.05 0.18
(0.21) (0.21) (0.26)* (0.29) (0.22) (0.28)
Logged income 0.49 0.4 0.39 0.44 0.43 0.17
(0.07)*** (0.1)*** (0.09)*** (0.13)*** (0.09)*** (0.12)
Income unknown 0.33 −.16 0.12 0.06 0.03 0.0006
(0.09)*** (0.16) (0.14) (0.21) (0.14) (0.19)
Male −.17 −.11 0.06 −.20 −.18 −.22
(0.07)** (0.11) (0.1) (0.15) (0.1)* (0.13)
Age −.05 −.12 −.09 −.13 −.10 −.08
(0.02)*** (0.02)*** (0.02)*** (0.03)*** (0.02)*** (0.02)***
Age squared/100 0.07 0.15 0.1 0.15 0.11 0.1
(0.02)*** (0.02)*** (0.02)*** (0.03)*** (0.02)*** (0.02)***
Marital status: common-law −.01 −.21 0.11
(0.09) (0.13) (0.12)
Marital status: dating 0.68 0.31 0.72
(0.2)*** (0.28) (0.26)***
Marital status: single 0.37 0.005 0.17
(0.14)*** (0.19) (0.18)
Some post-secondary −.02 0.03 −.06 0.05 −.10 −.24
(0.11) (0.16) (0.15) (0.22) (0.13) (0.19)
University degrees 0.06 0.11 −.006 0.007 −.26 −.15
(0.09) (0.15) (0.12) (0.2) (0.12)** (0.18)
Unemployed −.62 −1.38 −.71 −1.59 −.39 −1.10
(0.26)** (0.25)*** (0.3)** (0.35)*** (0.28) (0.33)***
Exercise per week; hours 0.09 0.07 0.1 0.1 0.1 0.09
(0.02)*** (0.03)** (0.03)*** (0.04)** (0.03)*** (0.04)**
Volunteer or contribute to charity 0.31 0.4 0.64 0.43 0.43 1
(0.08)*** (0.11)*** (0.11)*** (0.16)*** (0.11)*** (0.14)***
Obs. 2858 1570 3008 1655 3037 1685
R 2 0.13 0.18 0.07 0.13 0.06 0.12

Notes: Standard errors in parentheses. *, **, and *** indicate statistical significance at 90 percent, 95 percent and 99 percent levels.