Éry, Kinga

English

Éry Kinga

University of Szeged

ACTA BIOL. SZEGED. 4 2 . p p . 2 5 - 2 9 ( 1 9 9 7 ) INFANT MORTALITY PATTERNS IN OSTEOARCHEOLOGICAL SAMPLES K . ÉRY 1 , A . MARCSIK 2 , C S . SUSKOVICS 3 , K . T . R E N D E S 4 a n d G . T Ó T H 5 ' H-I03H Budapest, Hollós Korvin it. 4.; Department of Anthropology. JózsefAttila University, 11-671)1 Szegeil. P.O.Box 660;'11-7443 Somogyiad. Jókai u. 4.; JH-X360 Keszthely. Nyárfa u 31.; 'Berzsenyi Daniel Teachers' Training College. H-9701 Szombathely. Hungary. (Received: December 10, 1996) Abstract Infant mortality patterns were investigated in 20 osteoarcheological samples from the territory of present-day Hungary and dated to the 3rd-17th centuries. All series contained a lower number of 0-year-olds and a surplus of 5-14-year-olds as compared with the model life tables of COAIJ-: and DEMENY. Even if the number of 0-year-olds was corrected, the death rate of the 1-4-year age group, and especially that of the 5-14-year age group, did not show the infant mortality rate to be expected from the model life tables. This brings into question either the adoptability of model life tables in paleodemographic studies or the demographic validity of the skeletal material as a mirror of the one-time living community. Key words', infant mortality, paleodemography, model life table, Hungary, 3rd-17th centuries Introduction An undislurbed cemetery used between the middle of the 9th century and the beginning of the 10th century at the Esztergályhorváti-Alsóbárándpuszta site (Western Hungary) was completely uncovered by R. MÜLLER in 1981 (SZÖKE, 1996). Between 1994 and 1996, a complex paleoanthropological analysis was carried out by the authors, including non-metric traits by M. FlNNEGAN. The skeletal material of 319 individuals is housed in the Balatoni Museum, Keszthely. The present paper analyses the age group distribution of the infant skeletons from Esztergályhorváti-Alsóbárándpuszta and of 19 published samples, in comparison with the model life tables of COALE and DlíMÉNY (1966). Results and discussion Study of the infant mortality rates in 20 series (Table I) in comparison with the model life tables of COALE and DEMENY (1966) (Table 2) revealed two noteworthy phenomena . K ÉRY. A. MARCSIK, CS. SlISKOVKS, K I RENDES and G.TÖTH Table I Infant mortality rates (d x ) at different sites (raw data) Sites and centuries Cases 0 1-4 Age groups (years) 5-9 10-14 0-14 15 x l ate Roman Period. 3rd-5th Budapest-Kaszásdúló 335 10.15 5 34 8.54 14.69 38.72 61.28 (FRÁTER, 1993) Keszthely-Dobogó 120 4 25 13.67 7.92 2 50 28 34 78.66 (ACSÁDI and NEMESKÉR1. 1970) Pecs-lstván tér 152 9 2 1 21.45 7.57 3.22 41.45 58.55 (ÉRY.1973) Tokod 147 2.72 11.36 6.33 7.48 27 89 72 11 (ÉRY. 1981) Avar Period. 6tli-8th Ártánd 258 2.33 7.79 9.03 6.82 25.97 74.03 (ÉRY. 1966, 1967) Baiko Petrovo Selo 100 3.00 17.00 12.00 5.00 37.00 63.00 (ÉRY,1990) Gyenesdias 265 8.58 26.12 10.90 4.40 50.00 50.00 (T RENDES. 1993) (iyöngyöspata-Előmalv 209 4.30 13.78 11.29 4.50 33 87 66.13 (GARABÁS. 1993) Kereki-Homokbánva 148 0.68 2.09 10.71 4.90 18.38 81.62 (BERNFRT, 1996) ' Avar-Slavic Period, 9th Esztergályhorváti 319 18.18 24.33 10.66 2.95 56.12 43.88 (under elaboration) Garabonc 1 82 8.54 20.85 4.02 3.17 36.58 63.42 (ÉRY.1992) Sopronkőhida 145 14.66 1788 11.40 2.28 46.22 53.78 (ACSÁDI and NEMESKÉRI. 1970) Zalaszabar-Dezsösziget 83 18.07 29 40 10.60 3.37 61.44 38.56 (ÉRY.1992) Early Middle Age. 10th-11th Püspökladány 1. 230 1.74 14.57 15.61 5.73 37.65 62.35 (HÜSEetal., 1996) Püspökladány II 371 2.61 1361 13 01 6.85 36.08 63 92 (HOSE et al . 1996) Sárbogárd 100 3.00 8 0 0 15.70 7.30 34.00 66 00 (ÉRY. 1967-68) Late Middle Age. 13th-17th Alsórajk-Kastélydomb 375 1.60 8.80 11.27 6.96 28.63 71.37 (MENDE, 1996) Dombóvár- Békató 255 6.28 12.90 11.02 8.63 38.83 61.17 (ÉRY, 1979-80) Fonyód-Vár 167 0.00 9.58 13.17 6.59 29.34 70.66 (NEMESKÉR] and NOZDROVICZKY 1963) Nagytálya 150 2.00 4.60 8.27 6.73 21.60 7 8 4 4 (K. KOROMPAI. 1974) Mean 6.10 14 16 10.45 5.54 36.40 63.60 INFANT MORTALITY PATTERNS IN OSTEOARCHEOLOGICAL SAMPLES 27 Table 2. Infant mortality rates in model life tables of COALE and DEMENY Families and levels 0 1-4 Age groups (yearsl 5-9 10-14 0-14 15-x East 4 26.2 36.32 11.88 2.80 1.38 52.38 47.62 West 4 26.4 30.08 13.66 3.00 2.14 48.88 51.12 North 4 26 1 26.46 16.80 5.47 2 56 51.29 48.71 South 4 27.3 25.74 19.97 3.46 1.67 50.84 49.16 Mean: 29.65 15.58 3.68 1.94 50.85 49.15 East 5 28.7 33.42 11.31 2.73 1.36 48.82 51.18 West 5 28.8 27.56 12.85 2.90 2.07 45.38 54.62 North 5 28.6 2 4 2 5 15.75 5.27 2.49 47.76 52.24 South 5 29.7 23.97 18.60 3.32 1.62 47.51 52.49 Mean: 27.30 14.63 3.56 1.88 47.37 52.63 East 6 31.2 30.73 10.69 2.64 1.85 45.91 54.09 West 6 31.3 25.25 12 02 2.78 2.57 42.62 54.38 North 6 31.0 21.21 14 70 5.04 2.44 43.39 56.61 South 6 32.1 22.35 17.27 3.15 2.17 44.94 55.06 Mean: 21 89 13 67 3.40 2.26 44.22 55.78 The number of 0-year-old infants is less and the number of 5-14-year-old infants is higher than expected at levels 4, 5 and 6 on the basis of the model life tables. This points clearly to the fact (often presumed) that a large number of infants were usually not buried in the community cemetery, or their graves were possibly destroyed due to erosion of the ground surface or other external forces during the centuries. The artificial loss of infants changed the life expectancy calculations not only at 0 years of age but in other age groups too. To eliminate this problem, correction of the number of infant deaths according to some mortality model has become a widely accepted practice. The model of COALE and DEMENY (1966) has been used in our work as usual, but we do not have any clear reference points as to what "family" and what level distribution should be used in the case of our paleoanthropological series (Table 2). Traditionally, level 5 is usually accepted, since, according to the A C S A D I and NEMESKERI (1970) estimate, the average life expectancy at birth in the IOth-12th century population of Hungary was 28 to 29 years. What "family" (north, east, south or west in the COALE and DEMENY tables) mortality model should be used in our case (compared with the skeletal data) is completely unclear. If we correct the number in 0-year-olds in the 20 series under investigation, for purely experimental purposes, and take the mean values of the 4 "families" (north, east, west and south) at level 5 as the basis of calculations, the age distribution of our samples is as shown in Table 3. The percentages for the 1-4, 5-9 and 10-14-year age groups decrease relative to the original data due to the increase in the number of 0-year-olds, but even so they do not display the values to be expected on the basis of the model life tables. In the majority of 2 8 K ERY, A MARCSIK. CS. SUSKOVICS, K T RENDES and G TÓTH the cases, there is a lower rate in the 1-4-year age group and a higher rate in the 5-14-year age group. This seems to indicate that the hiatus that can be observed for 0-year-olds in all of the samples under investigation is also partly true for the 1-4-year age group. Tahlv 3. Infant mortality rates (d,) at different sites (corrected data) Sites and centuries 0 1-4 Age groups (years) 5-9 10-14 0-14 15-x l.ate Roman Period, 3rd-5th Budapest-Kaszásdűlő Keszthely-Dobogó Pécs-István tér Tokod 30.48 29.57 32.35 28.86 4.00 10.06 15.98 8.31 6.38 ' 5.83 5.64 4.63 11.00 1 84 2.40 5 47 51.86 47 30 56.37 47 27 48.14 53.70 43.63 52.73 Avar Period. 6th-8th Ártánd BaCko Petrovo Selo Gyenesdiás Gyöngyöspata-Előmály Kereki-Homokbánya 28.01 28.68 31.94 29.58 27.45 5.69 12.50 19.44 10.14 1 52 6.60 8.82 8.11 8 31 7 79 4 99 3 68 3.28 3 35 3.58 45 89 53 68 62.77 51.38 40.34 54.11 46.32 37.23 48 62 59.66 Avar-Slavic Period. 9th Esztergályhorváti Garabonc 1 Sopronkőhida Zalaszabar-Dezsösziget 27.09 31.82 35.37 37.61 21.68 15.55 13.54 22.38 9.50 3.00 8.63 8.07 2.63 2.36 1.72 2.57 60 90 52.73 59 26 70 63 39.10 47.27 40 74 29.37 Early Middle Age. 1 Oth-1 Ith Püspökladány 1. Püspökladány II Sárbogárd 29.81 28.74 28.68 10.40 9.97 5.88 11.15 9.53 11.54 4 10 5.01 5.37 55.46 53.25 51 47 44 54 46.75 48.53 l.ate Middle Age. 13th-17th Alsórajk-Kastélydomb Dombóvár-Békato l :onyód-Vár Nagytálya 28.21 30.43 27 39 28.29 6 42 9.83 7.80 3.37 8.17 8.14 10.73 6.05 5.08 6.38 5.37 4.93 47.88 54.78 51.29 42 64 52 12 45.22 48.71 57.36 Mean 30.05 10.72 7.83 4 26 52.86 47.14 However, at the same time, the higher mortality rate of 5-14-year-olds in almost all samples questions the validity of using various model life tables as a measure of mortality rates in paleoanthropological series. It also raises the question of whether it is possible at all to draw valid paleoanthropological conclusions from skeletal series studied as a mirrror of old-time communities. INFANT MORT ALITY PATTERNS IN OSTEOARCHEOLOGICAL SAMPLES 29 References A CSÁDI. Gy. and NEMESKÉRJ, J. (1970): History of Human Life Span and Mortality. - Akadémiai Kiadó. Budapest BERNERT. ZS. 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Infant mortality patterns in osteoarcheological samples

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Infant mortality patterns in osteoarcheological samples

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