O_1 Initial of the child
O_2 Field Worker code 
O_3 Date of Interview (DD/MM/YY)
O_4 Age of Father          
O_5 Any chronic illness? (1=Yes, 2=No)
O_5_txt If yes, Specify?
O_6 Cigarette smoking? (1=Yes, regularly, 2=No, 3=Yes, occasionally, 4=Previous smoker) 
O_7 Alcohol drinking? (1=Yes,  2=No)
O_7.1 If yes, how often? (1= Daily, 2= Once a week, 3=2-4 times a week, 4=Once a month or less)
O_8 How much time per day spending with the child? hours 
O_9 Is father taking care of the child eg, feeding, bathing? (Yes=1, No= 2)
O_9_txt If yes, specify (feeding, bathing, playing, napping/sleeping, toilet/diaper changes, or  others)
O_10 Measure weight of father (kgs) 
O_11 Measure height of father (cms) 
O_12 Measure blood pressure  systolic
O_13 Measure blood pressure  diastolic