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Latvia (January 8, 1998): 2,434,469. Ethnic composition (1998): 57.1% Latvian, 29.5% Russian, 4.1% Belarusian, 2.7% Ukrainian, 2.5% Polish, 2.3 ...

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elimination of iodine deficiency in latvia

ELIMINATION OF IODINE DEFICIENCY IN LATVIA

Dr.Med. Guntars Selga,

Latvian Food Center

historical divisions of latvia
Historical divisions of Latvia

ESTONIA

Vidzeme

Kurzeme

Latgale

Zemgale

LITHUANIA

BELORUSIA

population
Population
  • Latvia (January 8, 1998): 2,434,469.Ethnic composition (1998): 57.1% Latvian, 29.5% Russian, 4.1% Belarusian, 2.7% Ukrainian, 2.5% Polish, 2.3% Lithuanian, 1.8% others.Riga (January 1998): 790,608.
        • Citizens: 1,770,355 (72.72% of total population)
        • Non-Citizens: 646,723 (26.56% of total population)
        • Foreigners: 17,391 (0.72% of total population)
the definition of the degrees of severity of iodine deficiency who
The definition of the degrees of severity of iodine deficiency (WHO)
  • Severe < 2,0 g/dl
  • Moderate 2,0-4,9 g/dl
  • Mild 5,0-9,9 g/dl
  • Normal > 10,0 g/dl
slide5
FREQUENCY DISTRIBUTION OF IODINE EXCRETION in Baltic States (1995)

n=5762; 86 Schools; Mean=9,6

Urinary iodine in Latvia - 98 g/l

50%

LATVIA n= 30 schools, 1500 children age 8-12 years

slide6
23-80 g/l

65 g/l

98g/l

60 g/l

70-90 g/l

30-90 g/l

60-70 g/l

slide10
20 SCHOLS INCLUDED IN THE IODINE SURVAY 2000 (n - 600) age 8-12 years

Svētciema vsk.

Ventspils Tārāles pamatsk.

Valmieras Kauguru 9 g. sk.

- K.Videnieka Rīgas 77.vidusskola - Rīgas 1.bāreņu internātskola -Rīgas 33.vidusskola -Berģu pamatskola

Talsu 2.vsk.

Tukuma 2. vsk

Varaklānu vsk.

Kandavas vsk.

Vaiņodes 1.vsk.

Matkules vsk.

Ļaudonas vsk.

Jēkabpils 4.vsk.

Liepājas 15.vsk

Viļānu vsk.

Annenieku vsk.

Viesītes p.sk

Līvānu 1.vsk

median urinary iodine excretion among latvian schoolchildren in 2000 n 600
Median Urinary Iodine Excretion Among Latvian Schoolchildren in 2000 (n-600).

23%

slide12
20 SCHOLS INCLUDED IN THE IODINE SURVAY 2000 (n - 600) age 8-12 years

5.44

7.09

7.26

5.77-

7.26

6.7

5.51

3.63

5.82

5.09

6.07

5.14

3.68

8.65

4.9

8.65

5.76

3.96

iodine in the food j 200 g rda draft in latvia
Source Iodine g/100g

Cod 135

Salmon 62

Sea perch 57

Mackerel 45

Goose meet 42

Herring 41

Chockbery 40

Egg 20

Shampinion 18

Milk 16

Source Iodine g/100g

Kefir 14

Yoghurt 14

Set milk 13

Beans 12

Swine liver 12

Wheat (summer)11

Lard 10

Rue 9

Cream 9

Garlic 9

Barlay 9

Iodine In The Food(J – 200 gRDA draft in Latvia)
synergistic assimilation
Mineral or vitamin deficiency

Iodine

Ca

P

Zn

Vit. B6

For assimilation necessary

Iron, manganese, phosphorum

Boron, PUFA, lisin, Mg

Ca, Fe, Vit. B (comlex), Vit. E

Ca, Cu, P, Vit. B6

K, Vit. B (comlex), Vit.C, Vit. E

Synergistic assimilation
intake of kcalories from food group by sex in latvia
Intake Of Kcalories From Food Group By Sex In Latvia

Nutrition and lifestyle in the Baltic Republics. 1999

estimated requirement for edible salt in latvia
Estimated requirement for edible salt in Latvia

 8750 tonnes of salt/year

(3,5 kg/person year x 2,5 million populatio of Latvia)

Salt situation Analysis in Latvia (1999)

(during 10 months)

- 7000 tonnes of edible salt

- 60 tonnes iodized salt

Less than 0,9%

nutrition and lifestyle in the baltic republics 1999

Nutrition and lifestyle in the Baltic Republics. 1999

During summer 1997, cross sectional survays were conducted among representative national samples of adults in each country (Estonia: n=2108; Latvia: n=2308; Lithuania: n=2153).

  • salt consumption
proportion of respondents adding salt at the table males in all age groups
Proportion of Respondents Adding Salt at the Table(males in all age groups)

Nutrition and lifestyle in the Baltic Republics. 1999

proportion of respondents womens adding salt at the table all age groups
PROPORTION OF RESPONDENTS (womens) ADDING SALT AT THE TABLE(all age groups)

Nutrition and lifestyle in the Baltic Republics. 1999

proportion of respondents never adding salt at the table males in all age groups
Proportion Of Respondents Never Adding Salt At The Table(males in all age groups)

Nutrition and lifestyle in the Baltic Republics. 1999

proportion of respondents womens never adding salt at the table
PROPORTION OF RESPONDENTS (womens) NEVER ADDING SALT AT THE TABLE

Nutrition and lifestyle in the Baltic Republics. 1999

proportion of respondents almost always adding salt before tasting males in all age groups
Proportion Of Respondents Almost Always Adding Salt Before Tasting(males in all age groups)

Nutrition and lifestyle in the Baltic Republics. 1999

proportion of respondents womens almost always adding salt before tasting
PROPORTION OF RESPONDENTS (womens) ALMOST ALWAYS ADDING SALT BEFORE TASTING

Nutrition and lifestyle in the Baltic Republics. 1999

use of salt with additives mens all age groups
USE OF SALT WITH ADDITIVES(mens all age groups)

Nutrition and lifestyle in the Baltic Republics. 1999

use of salt with additives womens all age groups
USE OF SALT WITH ADDITIVES(womens all age groups)

Nutrition and lifestyle in the Baltic Republics. 1999

type of salt with additives used by country mens all age groups
TYPE OF SALT WITH ADDITIVES USED BY COUNTRY (mens all age groups)

Nutrition and lifestyle in the Baltic Republics. 1999

type of salt with additives used by country womens all age groups
TYPE OF SALT WITH ADDITIVES USED BY COUNTRY (womens all age groups)

Nutrition and lifestyle in the Baltic Republics. 1999

slide29
Dietary belief by country: “More dietary salt in the diet is of no consequence for your health(mens all age groups)

Nutrition and lifestyle in the Baltic Republics. 1999

slide30
Dietary belief by country: “More dietary salt in the diet is of no consequence for your health(womens all age groups)

Nutrition and lifestyle in the Baltic Republics. 1999

elimination of iodine defficiency in latvia
ELIMINATION OF IODINE DEFFICIENCY IN LATVIA
  • To meet iodine requirements, the current recommmended daily iodine intakes necessary:
    • 50 g for infants (first 12 months of age)
    • 90 g for children (2-6 years of age)
    • 120 g for school children (7-12 years age)
    • 150 g for adults (beyond 12 years of age)
    • 200 g for pregnant and lacting women

Recommended iodine levels in salt and guidelines for monitoring their adequacy and effectiveness, WHO, 1996

required iodine levels in salt
Required iodine levels in salt
  • In order to provide 150 g/day of iodine via iodized salt, iodine concentration in salt at the point of production should be in the range 20-40 mg of iodine per kg of salt.
  • When all salt used in processed food is iodized, the lower limit (20 mg) is recommended.
  • Under these circumstances median urinary iodine levels will vary from 100-200 g/l. “Recommended iodine levels in salt and guidelines for monitoring their adequacy and effectiveness”, WHO, 1996
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