Pearson Correlation Coefficients Prob > |r| under H0: Rho = 0 Number of Observations

Maternal Age

Baby Weight

Baby Head Circumference

Duration of Second Stage

Active Pushing Duration

Passive Descent Duration

Episiotomy Yes or No

Maternal Age by years

1.000

n = 88

Baby Weight in grams

−0.217 <0.05 n = 87

1.000 n = 89

Baby Head Circumference in Centimeters

−0.151 NS n = 85

0.591 <0.05 n = 86

1.000

n = 87

Length of Second Stage Duration in 15 minute intervals

0.249 <0.05 n = 87

0.253 <0.05 n = 88

0.068 NS n = 86

1.000

n = 89

Active Pushing Duration in 15 minute intervals

0.259 <0.05 n = 74

0.327 <0.05 n = 76

0.099 NS n = 75

0.830 <0.05 n = 76

1.000

n = 76

Passive Descent Duration in 15 min intervals

0.1856 NS n = 74

0.169 NS n = 76

0.083 NS n = 75

0.758 <0.05 n = 76

0.266 <0.05 n = 76

1.000

n = 76

Episiotomy Yes or No

−0.214 <0.05 n = 88

−0.071 NS 1 n = 89

0.014 NS n = 87

−0.286 <0.05 n = 89

−0.262 <0.05 n = 76

−0.131 NS n = 76

1.000

n = 90