Table 1.
Genotype and allele distributions by experiment
| Experiment 1 ( n = 197) | ||||||||
| 5-HTTLPR genotype count (frequency) | 5-HTTLPR allele count (frequency) | |||||||
| L/L | L/S | S/S | L | S | ||||
| 57 (0.29) | 80 (0.41) | 60 (0.30) | 194 (0.49) | 200 (0.51) | ||||
| 5-HTTLPR/rs25531 genotype count (frequency) | 5-HTTLPR/rs25531 allele count (frequency) | |||||||
| L′/L′ | L′/S′ | S′/S′ | L′ | S′ | ||||
| 34 (0.17) | 84 (0.43) | 79 (0.40) | 152 (0.39) | 242 (0.61) | ||||
| L A /L A | L A /L G | L A /S | L G /L G | L G /S | S/S | L A | L G | S |
| 34 (0.17) | 19 (0.10) | 65 (0.33) | 4 (0.02) | 15 (0.08) | 60 (0.30) | 152 (0.39) | 42 (0.11) | 200 (0.51) |
| Experiment 2 ( n = 201) | ||||||||
| 5-HTTLPR genotype count (frequency) | 5-HTTLPR allele count (frequency) | |||||||
| L/L | L/S | S/S | L | S | ||||
| 42 (0.21) | 69 (0.34) | 90 (0.45) | 153 (0.38) | 249 (0.62) | ||||
| 5-HTTLPR/rs25531 genotype count (frequency) | 5-HTTLPR/rs25531 allele count (frequency) | |||||||
| L′/L′ | L′/S′ | S′/S′ | L′ | S′ | ||||
| 37 (0.18) | 59 (0.29) | 105 (0.52) | 133 (0.33) | 269 (0.67) | ||||
| L A /L A | L A /L G | L A /S | L G /L G | L G /S | S/S | L A | L G | S |
| 37 (0.18) | 4 (0.02) | 55 (0.27) | 1 (0.00) | 14 (0.07) | 90 (0.45) | 133 (0.33) | 20 (0.05) | 249 (0.62) |
| Experiment 3 ( n = 194) | ||||||||
| 5-HTTLPR genotype count (frequency) | 5-HTTLPR allele count (frequency) | |||||||
| L/L | L/S | S/S | L | S | ||||
| 42 (0.22) | 65 (0.34) | 87 (0.45) | 149 (0.38) | 239 (0.62) | ||||
| 5-HTTLPR/rs25531 genotype count (frequency) | 5-HTTLPR/rs25531 allele count (frequency) | |||||||
| L′/L′ | L′/S′ | S′/S′ | L′ | S′ | ||||
| 38 (0.20) | 56 (0.29) | 100 (0.52) | 132 (0.34) | 256 (0.66) | ||||
| L A /L A | L A /L G | L A /S | L G /L G | L G /S | S/S | L A | L G | S |
| 38 (0.20) | 3 (0.02) | 53 (0.27) | 1 (0.01) | 12 (0.06) | 87 (0.45) | 132 (0.34) | 17 (0.04) | 239 (0.62) |
Note: L′ = L A , S′ = L G and S, all frequencies rounded to 2 decimal places.