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The purpose of this is study is to evaluate the diet quality in nine local government areas drawn from three states of the south-east geo-political zone of Nigeria.

A multi-stage sampling procedure yielded 1,200 women of childbearing age (15-49 years), who responded to a multi-pass 24-hour diet recall questionnaire at the household. Diet quality (DQ) was assessed using the “diet quality index international” (DQI-I) tool with a scale of 0-100.

Mean age of respondents was 28 ± 5.6 years and body mass index was 26.81 ± 4.8 kg/m². Majorities (96 per cent) were married, 53.2 per cent had complete secondary and 18 per cent post-secondary education, 41.7 per cent were traders, 14.3 per cent civil servants and 25.8 per cent were unemployed. Main staple foods included root and tubers, cereals, legumes and vegetables. The total DQ in the South-east was 58.8 ± 8.1 with a low “variety” (9.5 ± 3.0), poor “adequacy” (22.3 ± 4.7), good “moderation” (25.0 ± 3.8) and “overall balance” (2.0 ± 1.8).The total DQ in Imo, Enugu and Anambra were 58.6 ± 8.3, 58.8 ± 8.0 and 59.0 ± 8.1, respectively (P > 0.05).

The study was limited to three states in South-east Nigeria; it does not give a holistic view of the DQ of women of childbearing age in Nigeria.

The total DQ-I score revealed average overall DQ (59/100) for South-east. However, distinct patterns of low consumption of fruits and vegetables were identified. The need for national (and cross-continental) comparison of DQ using the DQI-I tool is hereby advocated.

The purpose of this paper is to present a first proposal of a healthy dietary diversity index to evaluate meals in self-service restaurants.

This was a cross-sectional, descriptive pilot study in a Brazilian buffet-style restaurant. The study group was selected by systematic sampling and consisted of 678 individuals aged 16-81 years, who were regular diners at a selected restaurant during lunchtime. Photographs were used to assess food choices and a sociodemographic questionnaire was administered to the subjects. A healthy dietary diversity model was created following WHO recommendations and the Brazilian Food Guide. A consensus workshop was conducted with experts to discuss and classify certain dishes as more or less healthy (high/low energy density). The model attributed negative (−3.0-0.0) and positive (0.0-12.0) scores to different food groups. Higher scores meant greater diversity on the plate, and therefore a greater chance of a healthy meal (=9.0), while a lower score reflected a higher variety of energy-dense foods, such as fried dishes (=6.0).

Most diner’s plates (65.3 per cent) obtained low diversity score indexes (=6) and were considered inadequate, represented the dishes where intake should be controlled from a nutritional viewpoint (over caloric meal). There was a significant association between healthy diversity scores (=9.0) and low variety of high energy density dishes on the plates.

This method of assessing the healthy dietary diversity of a main meal could be tested as an innovative model for investigating the food choices of individuals who eat away from home.

The purpose of this study was to investigate the differences in night eating status according to adolescents’ body mass index (BMI).

This was a cross-sectional study that included a total of 688 middle-school students. The subjects were categorized as underweight, normal weight and overweight according to their BMI, and their night eating intake patterns, night eating menu preference and intake frequency were compared and analyzed.

With regard to their night eating frequency, 39.8 per cent replied almost never, while 24.3 per cent replied once a week and less and 22.5 per cent replied two to three times a week. Among 11 night eating menus, the preference for fast foods, confectioneries, street foods and noodles was significantly higher in the underweight group than in the overweight group. The intake frequency of night eating menus such as fast foods, confectioneries and breads increased in the following order: overweight, normal and underweight group. The underweight group had a higher frequency of night eating, and they preferred to eat snacks more frequently from their night eating menu.

In conclusion, it is necessary to form positive dietary habits including nighttime eating for proper dietary management of adolescents.