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Table 1 Classifications of the PPRQ, Pregnancy-related Anxiety, and Perceived Control (internal) Scores in Tertiles Using Data for Women of AMA from the Quantitative Component of the Advanced Maternal Age and Risk Perception Study (n = 54)

From: Advanced maternal age and risk perception: A qualitative study

Instrument Minimum and Maximum Scores Low Tertile Middle Tertile High Tertile
Perception of Pregnancy Risk Questionnaire 3.56-69.44 <18.68 18.68-35.33 >35.33
Pregnancy-related Anxiety 1.10-3.20 <1.71 1.71-2.00 >2.00
Perceived Internal Control 16.00-36.00 <24.01 24.01-28.00 >28.00