Table 4.
Comparison of the intervention and control group measures using simple linear regression
| Variable | Factors | (β) | t | 95% CI | R2 | F (df) | P-value | |
|---|---|---|---|---|---|---|---|---|
| Lower bound | Upper bound | |||||||
| Childbirth Fear | Study Group | −0.866 | −14.274 | −18.66 | −14.08 | 0.75 | 203.75(1,68) | 0.001 |
| Age | −0.059 | 0.213 | − 0.59 | 0.18 | 88.40(1,66) | 0.295 | ||
| Education Level | 0.228 | 4.089 | 2.09 | 6.08 | 88.40(1,66) | 0.001 | ||
| Childbirth Self-Efficacy | Study Group | 0.903 | 17.303 | 9 8.35 | 132.28 | 0.82 | 299.38(1,68) | 0.001 |
| Age | 0.001 | 0.011 | −1.99 | 2.01 | 97.96(3,66) | 0.991 | ||
| Education Level | − 0.041 | − 0.771 | − 14.47 | 6.40 | 97.96(3,66) | 0.443 | ||
| Birth Companion Support | Study group (follow-up) | 0.781 | 10.322 | 5.74 | 8.49 | 0.61 | 106.55(1,68) | 0.001 |
| Age | −0.035 | 0.452 | − 0.32 | 0.20 | 34.68(3,66) | 0.653 | ||
| Education level | −0.006 | 0.077 | − 1.39 | 1.29 | 34.68(3,66) | 0.938 | ||
β, Standardized Coefficient Beta; t, t - statistic; 95 CI, Confidence Interval; R2, R Square; F, F-Statistic; df, degrees of freedom