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. 2013 Mar;22(3):219–229. doi: 10.1089/jwh.2011.3186

Table 1.

Baseline Sociodemographic and Clinical Characteristics Measures by Self-Reported Premenstrual Exacerbation

 
  
  
 PME
 Analyses
Characteristic
 All (N=821)
 Yes (N=545)
 No (N=276)
 Test statistic
 p value
 
 n
 %
 n
 %
 n
 %
  
  
Sociodemographic characteristics
Race             chi-squared (2)=1.09 0.581
 White 596 72.7 392 71.9 204 74.2    
 Black 156 19.0 104 19.1 52 18.9    
 Other 68 8.3 49 9.0 19 6.9    
 Hispanic 134 16.3 81 14.9 53 19.2 chi-squared (1)=2.53 0.112
Employment status             (p)=0.01 0.533
 Employed 513 62.6 344 63.2 169 61.2    
 Unemployed 304 37.1 197 36.2 107 38.8    
 Retired 3 0.4 3 0.6 0 0.0    
Medical insurance             chi-squared (2)=1.04 0.594
 Any private 392 49.6 263 49.9 129 49.0    
 Public only 118 14.9 74 14.0 44 16.7    
 None 280 35.4 190 36.1 90 34.2    
Marital status             chi-squared (3)=2.1 0.553
 Never married 270 32.9 172 31.6 98 35.5    
 Married/cohabiting 342 41.7 227 41.7 115 41.7    
 Divorced/separated 201 24.5 140 25.7 61 22.1    
 Widowed 8 1.0 6 1.1 2 0.7    
  Mean SD Mean SD Mean SD    
Age 34.2 8.8 34.6 8.6 33.3 9.1 t(819)=2.01 0.045
Education (years) 13.6 2.97 13.6 3.05 13.6 2.83 t(819)=0.22 0.828
Monthly household income 2354 2813 2447 2936 2167 2540 H(1)=3.11 0.078
Clinical characteristics
  n % n % n %    
Age at first episode<18 385 47.6 263 48.9 122 45.0 chi-squared (1)=1.08 0.299
At least one prior episode 585 77.2 405 80.0 180 71.4 chi-squared (1)=7.08 0.008
Ever attempted suicide 201 24.5 131 24.0 70 25.4 chi-squared (1)=0.17 0.677
Family history of
 Alcohol abuse 355 43.5 249 45.8 106 38.8 chi-squared (1)=3.57 0.059
 Bipolar disorder 88 10.8 62 11.4 26 9.6 chi-squared (1)=0.64 0.425
 Depression 502 61.5 349 64.2 153 56.3 chi-squared (1)=4.79 0.029
 Any mood disorder 522 64.0 361 66.4 161 59.2 chi-squared (1)=4.04 0.044
 Substance abuse 400 49.0 274 50.4 126 46.2 chi-squared (1)=1.29 0.256
 Drug abuse 201 24.6 137 25.2 64 23.4 chi-squared (1)=0.3 0.586
 Suicide attempt 28 3.4 18 3.3 10 3.7 chi-squared (1)=0.07 0.793
Chronic index* 165 20.3 123 22.8 42 15.4 chi-squared (1)=6.13 0.013
  Mean SD Mean SD Mean SD    
Age at first episode 20.8 10.4 20.6 10.4 21.3 10.3 H(1)=0.71 0.400
Years since first episode 13.4 10.5 14.1 10.4 12.1 10.6 H(1)=9.94 0.002
No. episodes 4.9 7.9 5.2 8.2 4.4 7.3 H(1)=7.27 0.007
Months since index onset 22.2 50.9 23.9 54.2 18.8 43.3 H(1)=9.49 0.002
*

Index episode longer than 24 months.

H, Kruskal-Wallis test statistic; PME, premenstrual exacerbation (reported); SD, standard deviation.