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. Author manuscript; available in PMC: 2011 Apr 4.
Published in final edited form as: Res Nurs Health. 2010 Aug;33(4):316–328. doi: 10.1002/nur.20389

Table 2.

Means and Standard Deviations for Anxiety and Pregnancy-Specific Distress

M (SD)

Variable Trimester Number of Observations (Number
From Participants With Miscarriage)
All Participants History of
Miscarriage
No History of
Miscarriage
Anxietya First 79 (24) 11.0 (6.93) 11.8 (7.18) 10.7 (6.86)
Second 559 (177) 9.2 (6.92) 10.4 (7.30) 8.7 (6.67)
Third 449 (138) 8.4 (6.41) 10.1 (7.54) 7.6 (5.69)
Pregnancy-specific distressb First 79 (24) .74 (0.34) .66 (.38) .77 (.32)
Second 559 (177) .68 (0.35) .69 (.36) .67 (.35)
Third 449 (138) .53 (0.33) .55 (.34) .52 (.32)

Notes: Means and standard deviations for second and third trimesters include multiple observations from many subjects. They are presented in order to describe the pattern of anxiety and distress across pregnancy, but should not be used as direct tests of mean difference or in meta-analyses due to the nonindependence of subjects.

a

Possible range of scores for anxiety was 0–30.

b

Possible range of scores for pregnancy-specific distress was 0–2.