31.   Even if the study population is large, however, the additional testing of multiple potential risk factors may result in both type I and type II errors.

32.   In addition the population was predominantly men and elderly.

33.   Our study population may have been different from that examined in other studies in respect of different bowel habits.

34.   The study populations were exclusively rural.

35.   Parental awareness of this clinical problem is low, and since this population is highly mobile, some families may not have been seen regularly or counselled.

36.   Obviously this population was not constant.

37.   Even so, those who were fully employed were the fortunate ones, for half the population of Nottingham was on poor relief.

38.   In other words, the fields would still be sown when the population was free.

39.   In the editorial mentioned above there was a significant reference to the poverty of the local environment in an area where almost all the school population was Christian.

40.   It adds that there is evidence that seal populations themselves are now in decline.