Example sentences of "age at [num ord] [noun] " in BNC.
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1 | The fall in family size made childbearing a more youthful activity and the reduction in age at marriage from the late 1930s reduced the average age at first birth even further so that it reached a minimum of 23.8 from 1968 to 1970 . |
2 | Thus , in most WFS countries in the Western Hemisphere and East & South-East Asia & Oceania regions , among the women who were aged 25–29 when interviewed , median age at first marriage or union was about 20.2 and 18.8 , respectively , and the median age at first birth ( i.e. the age at which half of them had already had a birth ) was around 21 years ( between 19 and 24 years in individual countries ) . |
3 | Among the 39 developing countries that participated in the WFS , there is a strong correlation between the median age at first marriage or union and the median age at first birth among women aged 25–29 years at the time of the survey . |
4 | Thus , in a group of 15 countries where median age at first marriage was between 15.2 and 18.3 years , the median age at first birth fell in the range of 18.6–19.9 years , irrespective of whether , within that age range women in that country married earlier or later . |
5 | On the other hand , from about age seventeen and a half , the higher the median age at first marriage , the higher the median age at first birth , too . |
6 | The average age at first consultant appointment is 38 . |
7 | The two samples did not differ in sex , age , employment status , proportion with a regular partner , source of referral , age at first drug misuse ( excluding cannabis , solvents , and alcohol ) , or age at first injecting ( among injectors ) . |
8 | For users only , mean age at first prescription was 28.2 years for hypertensives ( range 17–37 ) . |
9 | With the possible exception of age at first union , these factors are readily susceptible to control and can be moderated . |
10 | Age at first union should be advanced , at least to age 18–19 or , preferably to age 20 or beyond . |
11 | Effective sex education needs to be attuned to the realities of sexual behaviour when the average age at first intercourse is now between 16 and 17 ( Mant et al . |
12 | This relation remained after adjustment for age at first intercourse and lifetime number of sexual partners . |
13 | We analysed the dose-response relation with adjustment for the patients ' age at first intercourse and lifetime number of sexual partners . |
14 | Nine patients did not give their number of sexual partners and one of them did not tell her age at first intercourse . |
15 | We therefore performed the analysis on 172 patients : the median age at first intercourse was 17 ( interquartile range 16–19 ) years , and the median number of sexual partners was 4 ( interquartile range 2–10 ) partners . |
16 | For the analysis we grouped patients according to age at first intercourse ( <17 or >18 ) and lifetime number of sexual partners ( 1–2 , 3–4 , 5–10 , and >11 ) . |
17 | Age at first marriage has increased rapidly in the last two decades . |
18 | Between 1971 and 1981 , the average age at first marriage rose from 22.6 to 23.1 ( women ) and 24.6 to 25.4 ( men ) . |
19 | Age at first marriage has declined this century . |
20 | The average age at first marriage is now about 23 years and the vast majority of the population , 90 per cent , has married by the age of 30 ( CSO 1990 ) . |
21 | Hitherto , marriage in Britain had been late ( average age at first marriage about 25 for women , 28 for men ) . |
22 | Childlessness increased strongly with age at first marriage , even at ages where fecundity is usually still high . |
23 | Figure 6.5 shows movements in the average age at first marriage ; women are marrying , on average , some three years younger than they did forty years ago . |
24 | AGE AT FIRST MARRIAGE AND ITS CONSEQUENCES |
25 | In the economically more advanced countries , however , there does not exist a close relationship between age at first marriage and birth of first child , owing mainly to postponement of first birth through contraceptive use . |
26 | Since age at first marriage or union not only indirectly affects maternal and child health but can be considered as one of the underlying causes or conditions that affect it , this topic will be examined first . |
27 | Thus , in most WFS countries in the Western Hemisphere and East & South-East Asia & Oceania regions , among the women who were aged 25–29 when interviewed , median age at first marriage or union was about 20.2 and 18.8 , respectively , and the median age at first birth ( i.e. the age at which half of them had already had a birth ) was around 21 years ( between 19 and 24 years in individual countries ) . |
28 | Among the 39 developing countries that participated in the WFS , there is a strong correlation between the median age at first marriage or union and the median age at first birth among women aged 25–29 years at the time of the survey . |
29 | The value of the correlation coefficient is high , indicating a very strong relationship between age at first marriage and at first birth . |
30 | Since , as will be seen later , family size ( that is parity and birth order from the viewpoint of mothers and children , respectively ) affects maternal and child health , age at first marriage should be considered as an important variable from the aspect of optimum parameters of childbearing . |