Browsing by Author "Wickramanayake, T.W."

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Anthropometry of Sri Lanka sportsmen and sportswomen, with special reference to body mass index
(The Sri Lanka Medical Association. Colombo, 1991) Wickramanayake, T.W.; Dissanayake, J.; Wickramanayake, G.N.; Amarasinghe, S.
Weight, height (TH), sitting height (SH), skinfoid thikness and mid upper arm circumference have been measured in 235 sportsmen and 204 sportswomen, drawn from several districtsm participating in tournaments held in Colombo between March and August 1988 in order to obtain reliable data on Sri Lankan adults, to look for inter-district and inter-gan=mes diferences, and to study the suitability of a BMI less than 18.5 for diagnosis of chronic energy inadequacy. Inter-district diferences, reported in studies carried out about 40 years ago, no longer exist. Diferences between games for the variables weight, TH, SH and total body fat are significant for both genders, and for the variable BMI in the case of males. There has been a positive point, only 53perc. of women and 77.9perc. of men are categorised as being energy adequate. It is concluded that the BMR of Sri Lankan adults is probably lower than the values by the FAO/WHO in calculating energy requirements
Applicability of NCHS height-for-age weight-for-age reference values to Sri Lankan school children
(Sri Lanka Medical Association. Colombo, 1988) Kandiah, R.; Wickramanayake, T.W.
Height-for-age sndweight-for-age of children drawn from the upper socio-economic-educational households in Sri LAnka have been compared with the corresponding NCHS reference values. Results indicate that the NCHS height-for-age reference values for children between 5 and 9 years of age are "attainable" by Sri Lankan children, except at centiles above the 75th. The NCHS weight-for-age reference value are well above the corresponding values for Sri Lankan children between 10 and 18 years of age. Between 5 and 9 years of age, Sri Lankan girls are significantly lighter than the NCHS population. There is no significant difference between weights of boys, 5 to 9 years, in the two populations. The advisability of using NCHS reference values for weight-for-height for assessing the degree of "wasting" in Sri Lankan children is questioned
Auxology of Sri Lankan children age 5 to 18 years 3.. sitting height and sub-ischial leg length
(SLMA. Colombo, 1990) Wickramanayake, T.W.; Amarasinghe, S.
Sitting height (SH), leg length (LL) and the rati, SH/TH have been studied in 9070 school children between 5 and 18 years, SH and LL are not influenced by ethnicity. SH, LL and the overall increment in LL are socio-economic dependent during pre-adolescence. LL velocity is greater than SH velocity during pre-adolescence , so that LL catches up with SH before puberty, which occurs earlier in children of a higher socio-economic status. Children who become tall are those with a high LL velocity during pre-adolescence and a high SH velosity after puberty. Neither poverty nor ethnicity have any influence on the relative propotion of SH to stature.
Auxology of Sri Lankan children aged 5 to 18 years 2.. quetelet's body mass index
(SLMA. Colombo, 1990) Wickramanayake, T.W.; Amarasinghe, S.
Auxology of Sri Lankan children, age 5 to 18 years 4.. is there a need for local standards?
(The Sri Lanka Medical Associaion. Colombo, 1994) Wickramanayake, T.W.; Amarasinghe, S.
Body mass index of the Kandeganvila veddas
(The Sri Lanka Medical Association. Colombo, 1994) Wikramanayake, E.R.; Wickramanayake, T.W.; Chandrasekera, M.S.
BMI was calculated from the heights and weights of 37 Veddas (18 males and 19 females) measured in 1971/73 when they were living at Kandeganvila, and of 247 veddas (109 males and 138 females) measured in 1993/94 at Hennanigala South of Mahaweli System 'C', ten years after their change of habitat. Significantly lower BMI's (p0.05) was observed in the preadolescent children, bth males and females, in 1993/94. In general in the adults too a trend towards lower BMI's judged by BMI, of the relocation of the Kandeganvila veddas has been detrimental.
Combating iron deficiency 1.. editorial introduction
(Faculty of Medicine. Colombo, 1996) Wickramanayake, T.W.
Dietary intake and the prevalence of goitre among pregnant women on the Southwestern of Sri Lanka
(The Sri Lanka Medical Association. Colombo, 1994) Hjelle, A.K.; Neggers, Y.H.; Wickramanayake, T.W.; Bindon, R.
Factors influencing the nutritional status of infants and pre-school children of the urban poor
(Sri Lanka Medical Association. Colombo, 1989) Wickramasinghe, N.; Gunawardena, D.G.; Wickramanayake, T.W.
Morbidity and nutritional status of 200 children under 5 years of age, selected randomly from 19608families living in slum dwellings in the sity of Colombo have been related to their living conditions, per capita income of household and educational status of the mother. The incidence of diarrhoes was high in all age groups except during infancy, being very high where there was no toilet or a toilet was shared between several households, incedence of respiratory tract infections ranges from 33 to 48perc. being inversely related to the per capita floor area in dwelling. Angular stomatitis and glossitis were the main clinical manifestations of malnutrition, being highest in the 4-5 year group. The type of dwelling and the income of the household were the two most important factors determining the nutritional status at the children. The need for providing a hygienic and sanitory environment, clean drinking water and effective primary health care services, in addtion to poverty alleviation, is stressed.
Food beliefs and practices among Sri Lanka 3.:estate sector
(National Science Council:Colombo, 1984) Liyanage, C.; Wickramanayake, T.W.
Food beliefs and practices among Sri Lankans Part II:weaning practices among Sinhalese
(National Science Council:Colombo, 1982) Karaliedde, S.; Weerasinghe, C.; Wickramanayake, T.W.
Food consumption behaviour of urban food stamp recipients in Sri Lanka
(SLMA. Colombo, 1989) Hersi, D.; Abeysekera, W.A.T.; Wickramanayake, T.W.
Human cord blood and colostrum:immunoglobulin levels
(Sri Lanka Medical Association:Colombo, 1976) Dissanayake, S.; Samaranayake, L.P.; Wickramanayake, T.W.
Quantitative evaluation of radioisotopic renograms
(Ceylon Medical Association. Colombo, 1975) Gembicki, M.; Piyasena, R.D.; Wickramanayake, T.W.; Herath, K.B.
Secular trends in the physical anthropology of the Veddas of Sri Lanka
(The Sri Lanka Medical Association. Colombo, 1992) Wickramanayake, T.W.; Wickramanyake, E.R.
Size at birth of Sri Lanka
(The Sri Lanka Medical Association. Colombo, 1991) Ratnayake, A.; Wickramanayake, T.W.; Godawatta, R.
Socio-cultural malnutrition in the estate sector of Sri Lanka. 3.. influence of parental demographic and economic factors on the nutritional status of pre-school children
(Sri Lanka Medical Association. Colombo, 1986) Liyanage, C.E.; Wickramanayake, T.W.
The relationships between the nutritional status of 420 pre-school children living on 4 tea estates in the districts of KAndy and Nuwara Eliya and parental, demographic and economic factors have been studied. Nutritional status of pre-school children was found to depend on the body weight and skin fold thickness and on the levels of basic nutritional knowledge of the mother, on the per capita income of household and whether the family reared livestock or not . The prevalence of under nutrition increased with family size and birthrank of the child and with decrease in family income. The urgent need for improving sanitation and providing primary health care to the estate population is stressed.
Socio-economic status and the feto-placental unit
(Sri Lanka Medical Association:Colombo, 1977) Wickramanayake, T.W.; Samaranayake, L.P.; Dissanayake, S.
Some factors influencing the age at menarche of Sri Lankans
(Sri Lanka Medical Association. Colombo, 1988) Godawatta, R.; Wickramanayake, T.W.
The mean age at menarche (MAM) of girls attending two schools in the City of Colombo catering families of a high socio-economic-educational status has been compared with that of girls of lower socio-economic status in the city and in rural Kadawata. The MAM for the former group is 11.8 years, lower than values reported earlier for more mixed Sri Lankan populations. In all schools studied those who have reached menarche are significantly taller, heavier, have a higher BMI, mid-arm-circum ference and skinfold thickness than those who have not attained age. The man weight of girls who have reached menarche is above 40 kg in all age groups and BMI is above 17.0. The importance of the socio-economic, educational and nutritional status, from the time of birth to the adolescent spurt, to the early onset of menarche, is stressed.
Some nutritionally important fatty acids in seven varieties of fish eaten in Sri Lanka
(Sri Lanka Medical Association. Colombo, 1989) Liyanage, D.W.D.; Wijesundera, R.C.; Wickramanayake, T.W.
The component acids of lipids extracted from the edible portions of seven marine species Sardinella longiceps, Rastrelliger kanaguria, Thunnus albacares, Scomberomorus commersoni, Caranx stellatus, Carcharhinus sp. and Raja mamillidens and one fresh water species Tilapia mossambica have been determied by gas liquid chromotography. Palmitic (C:0), palmitoleic (C 16:1), oleic (C18:1), cicosapentaenoic EPA (C 20:5 n-3) and docsahexaenoic, DHA (C 22:1 n-3) Were the most abundant fatty acids. The small pelagics have a higher content of EPA and DHA and a higher P/S ratio than the larger and more expensive pelagic species