Læknablaðið - 15.01.1998, Side 31

LÆKNABLAÐIÐ 1998; 84
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Fig. 4. Duration ofHRT use (years) by year of attendance of
women 60 years and older. Percent oftotal users (N=7178).
%
Year
Fig. 5. Percentage short term users (0-1 year) oftotal users by
year of attendance ofwomen 56-57 years old (N=697).
Table I: Smoking and hormone replacement therapy (HRT)
useamong women 50-55 years old (N=642). Datafroml995.
Ever used HRT Never used HRT
N <%) N (%)
Ever smoked 253 (61) 101 (45)
Never smoked 164 (39) 124 (55)
DDD /1000 inh. / day
Year
Fig. 6. Use ofHRTin lcelandin 1981-1995. Sales figures from
the Ministry of Health. DDDI1000 inhabitants/day.
DDD/1000 inh./day
45
40
35 ■
30
□ Estrogen+progestin
■ Estrogen
Fig. 7. Use of HRT in the Nordic countries in 1995. Sales
figures. DDD/1000 inhabitants/day.
Odds ratio=1.89 (p<0.001)