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In order to determine the trends in haemoglobin (Hb) levels and the prevalence of anaemia in infancy in an entire community, 3,147 infants aged 9-11 months attending the Mother and Child Health Clinics of the teaching and research Health Center in Kiryat Hayovel, Jerusalem, were examined. From 1971 to 1979 infants diagnosed as anaemic were given treatment. From 1980 to 1988 supplement was given to all infants from the age of 3 to 12 months. There was a mean increase of 0.6 g/dlHb between the two periods, with a larger increase in the Hb levels in 1980-88 as compared to 1971-79 (P = .0001). The prevalence of anaemia less than 11 g/dlHb decreased from 36% in 1971 to 27% in 1979 and to 19% in 1988. The prevalence of anaemia less than 10 g/dlHb decreased from 13.7% in 1971 to 8.7% in 1979 and to 3.6% in 1988. The time trend is probably due to changes in the socio-demographic characteristics of the population, an overall change in infant feeding practices in relation to iron source and the supplementation programme.

This study presents the evaluation of an iron supplementation program in a community by comparing 478 pregnant women who received iron supplementation from the 4th month of pregnancy, with 392 pregnant women who received iron treatment only if their Hb level was less than 12 gm/dl, and had no supplementation. In the supplementation group, no statistically significant associations were found between compliance with age, education, social class or parity. Pregnant women of European-American origin showed higher rates of good compliance than those of Asian-African origin. The mean decrease of haemoglobin (Hb) and haematocrit (Hct) between the second and third trimester of pregnancy was smaller in the supplementation group (-0.9 gm/dl Hb, -2.1% Hct) than in the treatment group (-1.1 gm/dl Hb; -3.3% Hct). The differences between the two groups were significant only for the Hct levels (P = 0.022). The mean Hb and Hct levels during the third trimester of pregnancy were higher for good compliers (11.7 gm/dl Hb; 33.6% Hct) than for poor compliers (11.4 gm/dl Hb, 32.6% Hct).

Food intake of 120 infants at 6 and 12 months old and 110 toddlers at 18 and 24 months old in three neighborhoods in a Western part of Jerusalem was determined by the 24-hr recall technique. Mean caloric intake was below the recommended dietary allowance, protein intake was twice the recommended dietary allowance, iron intake was low, and a high rate of mild anemia was found. Anemia rate and severity were more pronounced in a poor neighborhood. The different rate of anemia in the three neighborhoods in partly explained by the differences in sources of iron. Food intake did not vary by social class or mother's education. Using the weight/height ratio 9 to 12% of the children were overweight and 3 to 7% were obese. The impact of Mother and Child Health clinics on feeding practice is emphasized.

To evaluate the effect of tea drinking on the occurrence of microcytic anemia in infants, we studied 122 healthy infants who underwent routine blood counts at the age of 6-12 months. An overall high frequency of anemia (Hb less than 11 gm/dl-48.4%), microcytosis (MCV less than 70 Mm3-21.3%) and microcytic anemia (19%) was found in the whole group. The percentage of tea drinking infants with microcytic anemia (32.6%) was significantly higher than that of the non-tea drinkers (3.5%). The daily amount of tea drinking was 50-750 ml (median 250 ml). The tea drinkers had significantly lower mean levels of hemoglobin than that of the non-tea drinkers (10.5 +/- 1.2 gm/dl vs 11.2 +/- 0.8 gm/dl, respectively) and significantly lower mean levels of mean corpuscular volume than that of the non-tea drinkers (71.5 +/- 7.1 micron 3 vs 76.1 +/- 4.6 micron 3). There were no significant differences between the two groups in their sex distribution and in the duration of breast feeding. The two groups differed with regard to their ages and social class but a multivariate analysis had excluded the possible confounding effect of these differences on the hematological results. Based on our finding we do not recommend giving tea to infants whose main source of iron is from milk, grains, vegetables or medicinal sources.