Table 2 Studies reporting on the impact of dairy foods on inflammatory bowel diseases (IBD). DF = dairy food, Inc = incidence

Kitahora [50]

Epidemiology

-

10819

-

-

Positive correlate. with UC inc

Shoda [51]

Epidemiology

292

-

-

-

Inc high correlate with DF in univariate analysis

Magee [52]

Prospective Cross-section

-

81

-

-

1250 ml/week protective

Octoratou [53]

Prospective Cohort

28 new 30chronic

-

-

38

Milk and yogurt protective

Abubakar [54]

Case-control

218

-

-

812

Drinking pasteurized milk protects

Opstelten [55]

Cohort

110

244

-

401,326

DF protect CD 0.3 CI (0.13–0.65) UC diagnose >3 years Significant trend 0.04

Spehlmann [59]

Twin Study

-

-

512 Twins 1 with disease

207 and (392 non twin IBD)

DFs no effect

Jantchou [57]

Prospective Cohort

33

43

-

67504

DF no effect. Animal protein + correlate

Reif [58]

Case-control

33

54

-

144

Pre Disease no effect of lactose

Jowett^a [56]

Prospective Cohort

-

183 (52 % relapse)

-

-

No effect 1.17 CI 0.53–2.5 Medium intake no effect with high intake

Joachim [60]

Prospective Cross-section

33

27

-

-

DFs prominent in relapse

Jowett [61]

Prospective Cohort

-

183 (52 % relapse)

-

-

68 % diet thought important, most restricted DFs

Vernia [63]

Case–control

91

96

-

420 and (276 other diseases)

Females with CD and UC had significantly lower Ca intake than recommended

Brazil Lopes [62]

Cross Section

21

44

-

-

64.7 % restricted DFs