Samples

The tables below provide standard information about SLS participants for each independent sample and repfile dataset. This information includes sample size, age, gender, and education. The actual dataset Excel filenames appear in parentheses.*SLS 1956 Independent Sample 1956 (WEBIND56)
*Repfile 1956-1963 (WEBREP12)
*Repfile 1956-1963-1970 (WEBREP13)
*Repfile 1956-1963-1970-1977 (WEBREP14)
*Repfile 1956-1963-1970-1977-1984 (WEBREP15)
Repfile 1956-1963-1970-1977-1984-1991 (WEBREP16)
Repfile 1956-1963-1970-1977-1984-1991-1998 (WEBREP17)

Repfile 1956-1963-1970-1977-1984-1991-1998-2005 (WEBREP18)
*SLS 1963 Independent Sample (WEBIND63)
*Repfile 1963-1970 (WEBREP23)
*Repfile 1963-1970-1977 (WEBREP24)
*Repfile 1963-1970-1977-1984 (WEBREP25)
Repfile 1963-1970-1977-1984-1991 (WEBREP26)
Repfile 1963-1970-1977-1984-1991-1998 (WEBREP27)

Repfile 1963-1970-1977-1984-1991-1999-2005 (WEBREP28)

*SLS 1970 Independent Sample (WEBIND70)
*Repfile 1970-1977 (WEBREP34)
*Repfile 1970-1977-1984(WEBREP35)
Repfile 1970-1977-1984-1991(WEBREP36)
Repfile 1970-1977-1984-1991-1998(WEBREP37)

Repfile 1970-1977-1984-1991-1998-20005 (WEBREP38)

*SLS 1977 Independent Sample (WEBIND77)
*Repfile 1977-1984 (WEBREP45)
Repfile 1977-1984-1991 (WEBREP46)
Repfile 1977-1984-1991-1998 (WEBREP47)

Repfile 1977-1984-1991-1998-2005 (WEBREP48)

*SLS 1984 Independent Sample (WEBIND84)
Repfile 1984-1991 (WEBREP56)
Repfile 1984-1991-1998 (WEBREP57)

Repfile 1984-1991-1998-20005 (WEBREP58)

SLS 1991 Independent Sample (WEBIND91)
Repfile 1991-1998 (WEBREP67)

Repfile 1984-1998- 2005 (WEBREP68)

SLS 1998 Independent Sample (WEBIND98)

Repfile 1998-2005 (WEBREP78)

Table 1. Independent Samples, Age in Years

1956

N

M

SD

Range

Men

250

45.08

14.22

25 – 67

Women

250

46.00

14.37

25 – 67

Total

500

46.04

14.28

25 – 67

 

1963

N

M

SD

Range

Men

466

49.32

14.63

25 – 74

Women

531

48.18

14.81

25 – 74

Total

997

48.71

14.73

25 – 74

 

1970

N

M

SD

Range

Men

330

54.00

17.11

25 – 81

Women

375

51.97

16.97

25 – 81

Total

705

52.92

17.06

25 – 81

 

1977

N

M

SD

Range

Men

301

53.53

17.35

25 – 81

Women

311

53.83

17.37

25 – 81

Total

612

53.45

17.34

25 – 81

 

1984

N

M

SD

Range

Men

284

54.34

17.52

25 – 81

Women

344

51,29

18.10

25 – 81

Total

628

52.67

17.89

25 – 81

 

1991

N

M

SD

Range

Men

318

54.36

17.59

25 – 81

Women

375

53.52

17.28

25 – 81

Total

693

53.91

17.42

25 – 81

 

1998

N

M

SD

Range

Men

362

53.37

15.79

25 – 81

Women

357

51.84

16.19

25 – 81

Total

719

52.61

16.00

25 – 81

Table 2. Longitudinal Samples, Age in years at last assessment

a. 7-year Sequences

1956 to 1963

N

M

SD

Range

Men

141

53.40

13.94

32 – 74

Women

161

53.48

14.11

32 – 74

Total

302

53.44

14.01

32 – 74

 

1963 to 1970

N

M

SD

Range

Men

178

55.12

12.86

32 – 81

Women

241

52.65

13.35

32 – 81

Total

419

53.70

13.19

32 – 81

 

1970 to 1977

N

M

SD

Range

Men

147

58.14

14.43

32 – 88

Women

190

55.39

15.53

32 – 88

Total

337

56.59

15.10

32 – 88

 

1977 to 1984

N

M

SD

Range

Men

151

56.94

15.03

32 – 88

Women

142

58.13

14.86

32 – 88

Total

293

57.52

14.93

32 – 88

 

1984 to 1991

N

M

SD

Range

Men

193

58.98

16.02

32 – 88

Women

234

56.71

16.32

32 – 88

Total

427

57.74

16.21

32 – 88

 

1991 to 1998

N

M

SD

Range

Men

176

60.88

15.78

32 – 88

Women

230

60.79

16.40

32 – 88

Total

406

60.83

16.11

32 – 88

 

1998 to 2005

N

M

SD

Range

Men

209

59.13

14.26

32 – 88

Women

212

59.21

14.85

32 – 88

Total

421

59.17

14.53

32 – 88

 

 

b. 14-year sequences

1956 to 1970

N

M

SD

Range

Men

74

59.20

12.54

39 – 81

Women

89

58.35

12.62

39 – 81

Total

163

58.28

12.54

39 – 81

 

1963 to 1977

N

M

SD

Range

Men

148

59.35

11.60

39 – 99

Women

193

58.80

12.10

39 – 88

Total

333

59.03

11.88

39 – 88

 

1970 to 1984

N

M

SD

Range

Men

102

61.65

12.74

39 – 95

Women

122

59.25

13.67

39 – 95

Total

224

60.34

13.28

39 – 95

 

1977 to 1991

N

M

SD

Range

Men

106

61.25

14.30

39 – 95

Women

97

60.51

13.26

39 – 88

Total

203

60.90

13.78

39 – 95

 

1984 to 1998

N

M

SD

Range

Men

116

63.86

14.49

39 = 95

Women

150

62.57

14.72

39 – 95

Total

266

63.13

14.61

39 – 95

 

1991 to 2005

N

M

SD

Range

Men

121

51.84

14.38

25 – 81

Women

230

53.26

15.48

25 – 81

Total

281

52.65

15.01

25 – 81

 

 

c. 21-year sequences

1956 to 1977

N

M

SD

Range

Men

58

63.14

11.59

46 – 88

Women

72

64.28

11.36

46 – 88

Total

130

63.77

11.44

46 – 88

 

1963 to 1984

N

M

SD

Range

Men

91

63.77

9.69

46 – 88

Women

134

63.87

11.01

46 – 95

Total

225

63.83

10.48

46 – 95

 

1970 to 1991

N

M

SD

Range

Men

76

64.79

11.15

46 – 95

Women

99

62.97

11.96

46 – 88

Total

175

63.76

11.62

46 – 95

 

1977 to 1998

N

M

SD

Range

Men

71

65.92

13.10

46 – 88

Women

65

64.85

11.73

46 – 88

Total

136

65.40

12.43

46 – 88

 

1984 – 2005

N

M

SD

Range

Men

79

45.38

12.49

25 – 67

Women

102

44.97

13.19

25 – 67

Total

181

45.15

12.86

25 – 67

 

 

d. 28-year sequences

1956 to 1984

N

M

SD

Range

Men

44

68.11

10.78

53 – 95

Women

53

68.58

9.96

53 – 88

Total

97

68.37

10.29

53 – 95

 

1963 to 1991

N

M

SD

Range

Men

60

67.70

8.22

53 – 88

Women

103

68.90

10.05

53 – 95

Total

163

68.45

9.41

53 – 95

 

1970 to 1998

N

M

SD

Range

Men

53

69.11

9.47

53 – 88

Women

74

68.99

11.26

53 – 95

Total

127

69.04

10.51

53 – 95

 

1977 to 2005

N

M

SD

Range

Men

55

41.55

12.15

25 – 67

Women

57

44.28

12.22

25 – 67

Total

112

42.94

12.21

25 – 67

 

 

e. 35-year sequences

1956 to 1991

N

M

SD

Range

Men

34

72.76

9.36

60 – 95

Women

41

72.29

8.40

60 – 88

Total

75

72.51

8.79

60 – 95

 

1963 to 1998

N

M

SD

Range

Men

40

71.90

6.95

60 – 95

Women

71

73.31

8.87

60 – 88

Total
111

72.80

8.22

60 – 95

 

f. 42-year sequence

1956 to 1998

N

M

SD

Range

Men

15

77.27

6.93

60 – 88

Women

23

77.04

8.40

60 – 95

Total

38

77.13

7.75

60 – 95

Table 3. Educational attainment as proportions by number of years

 

</+ 8

9 – 12

13 – 16

17 +

M

Range

1956

11.0

42.4

32.6

14.0

12.85

4 – 20

1963

12.9

46.1

30.9

10.0

12.52

0 – 20

1970

10.1

40.4

35.5

14.0

13.10

0 – 20

1977

9.7

32.8

38.0

19.5

13.71

4 – 20

1984

3.6

27.9

41.2

27.3

14.61

5 – 20

1991

0.9

20.2

49.3

29.6

15.23

8 – 20

1998

0.1

17.0

50.9

32.0

15.53

7 – 20

Table 4. Occupational attainment as proportion

 

Unskilled

Semiskilled

Skilled

Semiprofessional

Professional

Retired

1956

4.5

10.9

47.2

37.2

5.3

NA

1963

5.1

11.3

56.5

23.4

3.8

NA

1970

0.6

5.0

48.7

38.0

7.7

NA

1977

6.6

8.0

30.6

32.8

22.0

NA

1984

4.2

5.2

29.1

34.1

15.2

12.2

1991

3.5

4.2

20.6

25.4

16.6

29.7

1998

0.7

11.5

8.5

38.0

9.1

32.3