Correlational findings

Study Helliwell et al. (2018): study ZZ World samples 2005 /1

Survey name
Gallup poll
N = 900000
Non Response
Interview: face-to-face


Authors's Label
Healthy life expectancy
Our Classification
Source: World Health Organization (2007)
M=58,95  SD=10,94
Related specification variables

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks C-BW-c-sq-l-11-c b = +.02 p < .05 AVERAGE happiness by healthy life expectancy in 154 nations in the period 2005-2012 (n=776).
- Without country fixed effects

A similar result is also obtained when a regression is conducted for 2005-2012 averages at the country level.
C-BW-c-sq-l-11-c b = -.06 ns - With country fixed effects C-BW-c-sq-l-11-c b = -.09 p < .10 Countries with high delivery quality (greater than 0) (n=336) C-BW-c-sq-l-11-c b = -.03 ns Countries with low delivery quality (lower than 0) (n=500)

b controls for:
- delivery quality
- democratic quality
- log GDP
- year fixed effects

Similar patterns are obtained when b additionally controls for:
- Freedom to make life choices
- Generosity
- Social support
- Regional fixed effects
C-BW-c-sq-l-11-c b = -.07 ns AVERAGE happiness by AVERAGE democratic quality in 146 nations in the period 2005-2012 (n=696).

b controls for:
- Confidence in the national government (Gallup)
- Logged GDP
- Democratic quality
- Delivery quality
- Country fixed effects
- Year fixed effects
- Freedom to make life choices
- Generosity
- Social support

Similar results are obtained when some controls are removed.

In sum: The effect of healthy life expectancy on life satisfaction is mixed. When significant, it only has a small effect, either positive or negative.