Level of studies	Interval between 1st union and 1st live birth (months)	Total
Total	Total	224.872
Total	Negative	12.637
Total	From 0 to 7 months	12.538
Total	From 8 to 11 months	16.378
Total	From 12 to 23 months	43.738
Total	From 24 to 35 months	35.122
Total	From 36 to 47 months	24.402
Total	From 48 to 59 months	18.876
Total	60 and over	61.182
Total	Average	41,89
Illiterate	Total	6.243
Illiterate	Negative	..
Illiterate	From 0 to 7 months	..
Illiterate	From 8 to 11 months	..
Illiterate	From 12 to 23 months	3.576
Illiterate	From 24 to 35 months	1.984
Illiterate	From 36 to 47 months	118
Illiterate	From 48 to 59 months	565
Illiterate	60 and over	..
Illiterate	Average	25,82
Without studies	Total	6.229
Without studies	Negative	..
Without studies	From 0 to 7 months	..
Without studies	From 8 to 11 months	..
Without studies	From 12 to 23 months	604
Without studies	From 24 to 35 months	1.226
Without studies	From 36 to 47 months	3.787
Without studies	From 48 to 59 months	..
Without studies	60 and over	613
Without studies	Average	43,89
Primary education and second grade, GBE or first year of GCSE	Total	130.839
Primary education and second grade, GBE or first year of GCSE	Negative	10.459
Primary education and second grade, GBE or first year of GCSE	From 0 to 7 months	7.329
Primary education and second grade, GBE or first year of GCSE	From 8 to 11 months	10.942
Primary education and second grade, GBE or first year of GCSE	From 12 to 23 months	29.934
Primary education and second grade, GBE or first year of GCSE	From 24 to 35 months	27.125
Primary education and second grade, GBE or first year of GCSE	From 36 to 47 months	9.961
Primary education and second grade, GBE or first year of GCSE	From 48 to 59 months	11.824
Primary education and second grade, GBE or first year of GCSE	60 and over	23.264
Primary education and second grade, GBE or first year of GCSE	Average	30,06
Secondary Education and Post-secondary non-higher	Total	32.125
Secondary Education and Post-secondary non-higher	Negative	2.178
Secondary Education and Post-secondary non-higher	From 0 to 7 months	1.709
Secondary Education and Post-secondary non-higher	From 8 to 11 months	3.753
Secondary Education and Post-secondary non-higher	From 12 to 23 months	4.348
Secondary Education and Post-secondary non-higher	From 24 to 35 months	1.519
Secondary Education and Post-secondary non-higher	From 36 to 47 months	4.745
Secondary Education and Post-secondary non-higher	From 48 to 59 months	4.758
Secondary Education and Post-secondary non-higher	60 and over	9.116
Secondary Education and Post-secondary non-higher	Average	46,24
1º, 2º and intermediate technical-professional studies	Total	27.820
1º, 2º and intermediate technical-professional studies	Negative	..
1º, 2º and intermediate technical-professional studies	From 0 to 7 months	2.820
1º, 2º and intermediate technical-professional studies	From 8 to 11 months	772
1º, 2º and intermediate technical-professional studies	From 12 to 23 months	3.916
1º, 2º and intermediate technical-professional studies	From 24 to 35 months	2.451
1º, 2º and intermediate technical-professional studies	From 36 to 47 months	4.952
1º, 2º and intermediate technical-professional studies	From 48 to 59 months	..
1º, 2º and intermediate technical-professional studies	60 and over	12.909
1º, 2º and intermediate technical-professional studies	Average	59,46
Higher level technical-professional studies	Total	357
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	357
Higher level technical-professional studies	Average	72
First year of tertiary education	Total	4.758
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	839
First year of tertiary education	From 48 to 59 months	922
First year of tertiary education	60 and over	2.997
First year of tertiary education	Average	114,01
Tertiary education, university graduates and doctors	Total	16.501
Tertiary education, university graduates and doctors	Negative	..
Tertiary education, university graduates and doctors	From 0 to 7 months	680
Tertiary education, university graduates and doctors	From 8 to 11 months	911
Tertiary education, university graduates and doctors	From 12 to 23 months	1.360
Tertiary education, university graduates and doctors	From 24 to 35 months	817
Tertiary education, university graduates and doctors	From 36 to 47 months	..
Tertiary education, university graduates and doctors	From 48 to 59 months	806
Tertiary education, university graduates and doctors	60 and over	11.926
Tertiary education, university graduates and doctors	Average	81,48