Table 3.

Parameters for Population Effective Size and Mortality

Parametera	Females	Males	Both Sexes	Sex Ratio
Population effective size (% of initial cohort):
With children	42.3	38.4	40.3
With married children	34.6	32.7	33.7
With married female children	31.0	29.8	30.4
With married male children	29.8	28.8	29.3
Mortality:
Deaths at age 0–15 years (per 1,000)	323.5	362.7	343.7	1.22
Deaths at age 15–50 years (per 1,000)	215.5	141.2	176.8	.71
Deaths at age ⩾50 years (per 1,000)	461.0	496.1	479.5	1.17
Life expectancy at birth (years)	41.8	42.1	42.0
Life expectancy at age 15 years (years)	45.6	49.9	47.8

^aEffective size and mortality parameters are those of the 19th-century Saguenay cohorts (n=19,782).