Level of studies	Interval between 1st union and 1st live birth (months)	Total
Total	Total	100
Total	Negative	5,62
Total	From 0 to 7 months	5,58
Total	From 8 to 11 months	7,28
Total	From 12 to 23 months	19,45
Total	From 24 to 35 months	15,62
Total	From 36 to 47 months	10,85
Total	From 48 to 59 months	8,39
Total	60 and over	27,21
Illiterate	Total	100
Illiterate	Negative	..
Illiterate	From 0 to 7 months	..
Illiterate	From 8 to 11 months	..
Illiterate	From 12 to 23 months	57,28
Illiterate	From 24 to 35 months	31,78
Illiterate	From 36 to 47 months	1,89
Illiterate	From 48 to 59 months	9,06
Illiterate	60 and over	..
Without studies	Total	100
Without studies	Negative	..
Without studies	From 0 to 7 months	..
Without studies	From 8 to 11 months	..
Without studies	From 12 to 23 months	9,69
Without studies	From 24 to 35 months	19,68
Without studies	From 36 to 47 months	60,79
Without studies	From 48 to 59 months	..
Without studies	60 and over	9,84
Primary education and second grade, GBE or first year of GCSE	Total	100
Primary education and second grade, GBE or first year of GCSE	Negative	7,99
Primary education and second grade, GBE or first year of GCSE	From 0 to 7 months	5,6
Primary education and second grade, GBE or first year of GCSE	From 8 to 11 months	8,36
Primary education and second grade, GBE or first year of GCSE	From 12 to 23 months	22,88
Primary education and second grade, GBE or first year of GCSE	From 24 to 35 months	20,73
Primary education and second grade, GBE or first year of GCSE	From 36 to 47 months	7,61
Primary education and second grade, GBE or first year of GCSE	From 48 to 59 months	9,04
Primary education and second grade, GBE or first year of GCSE	60 and over	17,78
Secondary Education and Post-secondary non-higher	Total	100
Secondary Education and Post-secondary non-higher	Negative	6,78
Secondary Education and Post-secondary non-higher	From 0 to 7 months	5,32
Secondary Education and Post-secondary non-higher	From 8 to 11 months	11,68
Secondary Education and Post-secondary non-higher	From 12 to 23 months	13,53
Secondary Education and Post-secondary non-higher	From 24 to 35 months	4,73
Secondary Education and Post-secondary non-higher	From 36 to 47 months	14,77
Secondary Education and Post-secondary non-higher	From 48 to 59 months	14,81
Secondary Education and Post-secondary non-higher	60 and over	28,38
1º, 2º and intermediate technical-professional studies	Total	100
1º, 2º and intermediate technical-professional studies	Negative	..
1º, 2º and intermediate technical-professional studies	From 0 to 7 months	10,14
1º, 2º and intermediate technical-professional studies	From 8 to 11 months	2,78
1º, 2º and intermediate technical-professional studies	From 12 to 23 months	14,07
1º, 2º and intermediate technical-professional studies	From 24 to 35 months	8,81
1º, 2º and intermediate technical-professional studies	From 36 to 47 months	17,8
1º, 2º and intermediate technical-professional studies	From 48 to 59 months	..
1º, 2º and intermediate technical-professional studies	60 and over	46,4
Higher level technical-professional studies	Total	100
Higher level technical-professional studies	Negative	..
Higher level technical-professional studies	From 0 to 7 months	..
Higher level technical-professional studies	From 8 to 11 months	..
Higher level technical-professional studies	From 12 to 23 months	..
Higher level technical-professional studies	From 24 to 35 months	..
Higher level technical-professional studies	From 36 to 47 months	..
Higher level technical-professional studies	From 48 to 59 months	..
Higher level technical-professional studies	60 and over	100
First year of tertiary education	Total	100
First year of tertiary education	Negative	..
First year of tertiary education	From 0 to 7 months	..
First year of tertiary education	From 8 to 11 months	..
First year of tertiary education	From 12 to 23 months	..
First year of tertiary education	From 24 to 35 months	..
First year of tertiary education	From 36 to 47 months	17,63
First year of tertiary education	From 48 to 59 months	19,39
First year of tertiary education	60 and over	62,98
Tertiary education, university graduates and doctors	Total	100
Tertiary education, university graduates and doctors	Negative	..
Tertiary education, university graduates and doctors	From 0 to 7 months	4,12
Tertiary education, university graduates and doctors	From 8 to 11 months	5,52
Tertiary education, university graduates and doctors	From 12 to 23 months	8,24
Tertiary education, university graduates and doctors	From 24 to 35 months	4,95
Tertiary education, university graduates and doctors	From 36 to 47 months	..
Tertiary education, university graduates and doctors	From 48 to 59 months	4,89
Tertiary education, university graduates and doctors	60 and over	72,28