Fruit consumption increased during the intervention period ( monthly incidence rate ratio ( IRR ) 1.3 , 95 % CI : 1.10 , 1.56 ) and junk food consumption decreased ( monthly IRR 0.8 , 95 % CI : 0.74 , 0.94 ) and these changes were different to those seen during the waitlist period ( p = .004 and p = .020 respectively ) .