Table 4 Subgroup analysis for quality of marital relation and quality of sexual life
Subgroup variables | Number | Correlation coefficient | Confidence Interval | chi2 test (hetrogeneity p-value) | I2 | (p-value) test for interaction | |
|---|---|---|---|---|---|---|---|
Type of scale | Dyadic Adjustment Scale | 4 | 0.42 | 0.15 to 0.64 | < 0.01 | 93% | 0.58 |
Marital Intimacy Questionnaire | 1 | 0.35 | 0.27 to 0.43 | – | – | ||
Score quality assessment | > = 6 | 1 | 0.35 | 0.27 to 0.43 | – | – | 0.58 |
< 6 | 4 | 0.42 | 0.15 to 0.64 | < 0.01 | 93% | ||
Study design | Crossectional study | 4 | 0.39 | 0.12 to 0.60 | < 0.01 | 93% | 0.44 |
Case control study | 1 | 0.50 | 0.32 to 0.64 | – | – | ||
Sample size | > = 150 | 2 | 0.47 | 0.22 to 0.66 | < 0.01 | 90% | 0.62 |
< 150 | 3 | 0.37 | 0.01 to 0.64 | < 0.01 | 94% | ||
All study | 5 | 0.41 | 0.20 to 0.58 | < 0.01 | 91% | – | |