Table 1 Characteristics of sample in this study (diary returners) compared to cohort as whole

From: Do early infant feeding patterns relate to breast-feeding continuation and weight gain? Data from a longitudinal cohort study

  Sample returning usable diaries Participants not returning usable diaries Cohort as a whole  
  (N=502) (N=421) (N=923)  
Characteristic N % N % N % P (χ2)
Mother        
 Lacking one or more amenitya 204 42 217 54 421 47 <0.001
 No education past age 16b 335 68 300 73 635 70 0.145
 Less than 30 y old 326 65 261 62 587 64 0.372
Infant        
 First child 250 50 198 47 448 49 0.428
 Boy 264 53 201 48 465 50 0.146
 Breast-fed at birthc> 250 50 174 42 424 46 0.011
  1. aData missing for 7 cases. Amenities include car or house ownership and employed parent.
  2. bData missing for 10 cases.
  3. As reported on recruitment questionnaire, not for period recorded in diary; data missing for 5 cases.