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Table 4 Models of percent predicted FEV1 in relation to hormone measurements from sample collected on the same day as the FEV1 measurement was collected a

From: Studying forced expiratory volume at 1 second over menstrual segments in asthmatic and non-asthmatic women: assessing protocol feasibility

  Independent variable(s) Follicular Phase Beta (s.e.) Luteal Phase Beta (s.e.)
  All women Term   p Term   p
1 Ratio (log transformed) Linear 0.085 (0.043) 0.049 Linear −0.020 (0.022) 0.37
   Quadratic −0.008 (0.004) 0.059 Quadratic 0.002 (0.003) 0.49
2 PDG (log transformed) Linear −0.001 (0.007) 0.91 Linear 0.008 (0.012) 0.49
   Quadratic −0.016 (0.005) 0.006 Quadratic −0.001 (0.004) 0.77
3 E1C (log transformed) Linear 0.055 (0.120) 0.65 Linear 0.154 (0.130) 0.24
   Quadratic −0.007 (0.015) 0.65 Quadratic −0.017 (0.016) 0.28
4 PDG (log transformed) Linear −0.016 (0.016) 0.32 Linear 0.006 (0.013) 0.67
   Quadratic −0.019 (0.006) 0.001 Quadratic −0.001 (0.004) 0.87
  E1C (log transformed) Linear 0.122 (0.126) 0.33 Linear 0.109 (0.113) 0.34
   Quadratic −0.012 (0.015) 0.44 Quadratic −0.012 (0.014) 0.40
  No Prior Asthma Diagnosis       
1 Ratio (log transformed) Linear 0.161 (0.051) 0.002 Linear −0.034 (0.037) 0.35
   Quadratic −0.017 (0.005) 0.001 Quadratic 0.003 (0.006) 0.59
2 PDG (log transformed) Linear −0.006 (0.011) 0.55 Linear 0.024 (0.013) 0.07
   Quadratic −0.024 (0.006) <0.001 Quadratic −0.004 (0.005) 0.38
3 E1C (log transformed) Linear 0.251 (0.130) 0.055 Linear 0.344 (0.189) 0.06
   Quadratic −0.034 (0.016) 0.036 Quadratic −0.039 (0.023) 0.08
4 PDG (log transformed) Linear −0.021 (0.019) 0.29 Linear 0.019 (0.014) 0.18
   Quadratic −0.025 (0.006) <0.001 Quadratic −0.003 (0.004) 0.49
  E1C (log transformed) Linear 0.270 (0.094) 0.004 Linear 0.198 (0.160) 0.22
   Quadratic −0.031 (0.011) 0.006 Quadratic −0.023 (0.020) 0.24
  Prior Asthma Diagnosis       
1 Ratio (log transformed) Linear −0.023 (0.029) 0.43 Linear −0.013 (0.017) 0.43
   Quadratic 0.004 (0.004) 0.36 Quadratic 0.003 (0.003) 0.21
2 PDG (log transformed) Linear 0.004 (0.012) 0.74 Linear −0.013 (0.010) 0.19
   Quadratic −0.006 (0.006) 0.37 Quadratic 0.005 (0.003) 0.17
3 E1C (log transformed) Linear −0.092 (0.133) 0.49 Linear −0.096 (0.097) 0.32
   Quadratic 0.013 (0.016) 0.40 Quadratic 0.014 (0.011) 0.20
4 PDG (log transformed) Linear −0.005 (0.019) 0.81 Linear −0.014 (0.012) 0.25
   Quadratic −0.008 (0.008) 0.35 Quadratic 0.004 (0.004) 0.30
  E1C (log transformed) Linear −0.059 (0.157) 0.71 Linear 0.010 (0.022) 0.64
   Quadratic 0.010 (0.018) 0.58 Quadratic 0.002 (0.003) 0.58
  1. a. Four models are presented for each time period of hormones: 1) Only the ratio (E1C/PDG) is in the model; 2) only PDG is in the model; 3) only E1C is in the model; and 4) both PDG and E1C are in the model.