Table 2.

Multiple Linear Regression for evaluation of happiness associated characteristics measured by PHI-r (n = 2580)

Variables	β (SE)	IC95%	p-Value
Constant	4.4 (0.2)	4.1–4.8	< 0.001
Participants
General population	–	–	–
Caregivers of cancer patients	0.8 (0.2)	0.4–1.1	< 0.001
Cancer patients	0.5 (0.1)	0.2–0.8	< 0.001
Feeling of happiness with the professional activity
Little1	–	–	–
Much2	0.6 (0.1)	0.5–0.8	< 0.001
Self-assessment of health
Bad3	–	–	–
Good4	0.6 (0.1)	0.4–0.8	< 0.001
Diagnosis of depression
No	–	–	–
Yes	−0.7 (0.1)	−0.9 – (−0.4)	< 0.001
Diagnosis of anxiety
No	–	–	–
Yes	−0.3 (0.1)	−0.5 – (− 0.1)	< 0.001
Other psychological/psychiatric problem
No	–	–	–
Yes	−0.7 (0.2)	−1.2 – (− 0.3)	0.002
Current professional activity
Yes	–	–	–
No	−0.3 (0.1)	−0.6 – (0.0)	0.028
Satisfaction with financial issues
Little1	–	–	–
Much2	0.5 (0.1)	0.4–0.6	< 0.001
Frequency of family gatherings
Little5	–	–	–
Much6	0.4 (0.1)	0.2–0.5	< 0.001
Influence of religious or spiritual life on happiness
Little1	–	–	–
Much2	0.3 (0.1)	0.2–0.5	< 0.001
Self described as
Pessimistic	–	–	–
Neither optimistic nor pessimistic	0.7 (0.1)	0.4–0.9	< 0.001
Optimistic	1.4 (0.1)	1.1–1.6	< 0.001
Contact with nature
Little5	–	–	–
Much6	0.2 (0.1)	0.0–0.3	0.044
Leisure time
Little1	–	–	–
Much2	0.3 (0.1)	0.2–0.5	< 0.001
Physical activity
Don’t practice physical activity	–	–	–
Once to twice per week	0.0 (0.1)	−0.1 – 0.2	0.825
3 or more times per week	0.3 (0.1)	0.1–0.4	< 0.001

Model adjusted for the variables: age, gender, family income and education level (R² = 0.598)

¹nothing/very little/more or less.²fairly/extremely.³very poor/poor/neither bad nor good.⁴good/very good.⁵nothing/very little/more or less.⁶many times/always