Table 1 Descriptive statistics on the primary study variables by zygosity and gender.
Mean (SD) | Range | |
|---|---|---|
MZ males | ||
Presence | 4.35 (0.88) | 2.60–6.00 |
Happiness | 5.08 (1.03) | 1.50–7.00 |
Life satisfaction | 5.80 (1.01) | 2.00–7.00 |
Subjective wellbeing | 5.44 (0.91) | 2.58–7.00 |
MZ females | ||
Presence | 4.20 (0.90) | 1.40–6.00 |
Happiness | 5.16 (1.00) | 1.00–7.00 |
Life satisfaction | 5.71 (1.03) | 1.17–7.00 |
Subjective wellbeing | 5.45 (0.91) | 2.13–7.00 |
DZ males | ||
Presence | 4.29 (0.90) | 1.80–6.00 |
Happiness | 5.08 (1.09) | 1.00–7.00 |
Life satisfaction | 5.76 (1.01) | 1.00–7.00 |
Subjective wellbeing | 5.44 (0.99) | 2.38–7.00 |
DZ females | ||
Presence | 4.17 (0.88) | 1.50–6.00 |
Happiness | 4.98 (1.05) | 1.50–7.00 |
Life satisfaction | 5.51 (1.08) | 2.00–7.00 |
Subjective wellbeing | 5.21 (0.99) | 2.25–7.00 |
DZ opposite sex | ||
Presence | 4.17 (0.82) | 1.80–6.00 |
Happiness | 5.04 (1.03) | 1.00–7.00 |
Life satisfaction | 5.64 (1.02) | 1.33–7.00 |
Subjective wellbeing | 5.40 (0.92) | 1.67–7.00 |
