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Table 3 Health behaviours of women actively planning pregnancy (not using contraception) stratified by age

From: Health behaviours in 131,182 UK women planning pregnancy

  

Percentage of active planners (95% CI)

  

Age

 

Number of active planners

18–24 (n = 25,086)

25–34 (n = 44,795)

35–40 (n = 10,479)

41 + (n = 1310)

Smoking (n = 81,118)

 No

63,561

69.1% (68.5–69.6)

82.2% (82.1–82.3)

83.2% (82.9–83.4)

85.0% (84.3–85.7)

 Yes

17,557

30.9% (30.4–31.5)

17.8% (17.7–17.9)

16.9% (16.6–17.1)

15.0% (14.3–15.7)

 Question not answered

552

-

-

-

-

Illicit or recreational drug use (n = 81,145)

 No

78,301

94.7% (94.6–94.8)

97.3% (97.2–97.3)

97.4% (97.3–97.5)

96.8% (96.5–97.1)

 Yes

2844

5.3% (5.2–5.4)

2.7% (2.7–2.8)

2.6% (2.5–2.7)

3.2% (2.9–3.5)

 Question not answered

525

-

-

-

-

Alcohol consumption (n = 81,128)

 No

41,252

57.0% (56.8–57.2)

47.5% (47.4–47.7)

49.4% (49.1–49.7)

57.1% (56.2–58.0)

 Yes

39,876

43.0% (42.8–43.2)

52.5% (52.3–52.6)

50.6% (50.3–50.9)

42.9% (42.0–43.8)

 Question not answered

542

-

-

-

-

Caffeine consumption (n = 81,029)

 No

17,154

23.4% (23.3–23.6)

19.8% (19.7–19.9)

21.1% (20.8–21.4)

25.7% (24.9–26.5)

 Yes

63,875

76.6% (76.4–76.8)

80.2% (80.1–80.3)

78.9% (78.6–79.2)

74.3% (73.5–75.1)

 Question not answered

641

-

-

-

-

Weekly level of activity (n = 74,600)

 Less than 150 min of activity

31,783

42.4% (42.2–42.7)

43.0% (42.8–43.2)

41.9% (41.5–42.2)

38.0% (37.0–38.9)

 At least 150 min of moderate activity

32,097

41.8% (41.6–42.1)

43.6% (43.4–43.8)

43.1% (42.8–43.5)

44.3% (43.3–45.2)

 150 or more minutes of vigorous activity

10,720

15.7% (15.6–15.9)

13.4% (13.3–13.5)

15.0% (14.8–15.2)

17.8% (17.1–18.5)

 Question not answered

7070

-

-

-

-

Daily consumption of five portions of fruit and vegetables (n = 74,050)

 No

23,031

36.0% (35.7–36.2)

30.2% (30.0–30.3)

25.0% (24.7–25.3)

22.6% (21.8–23.4)

 Yes

40,032

43.7% (43.4–43.9)

56.7% (56.5–56.9)

64.6% (64.3–64.9)

69.2% (68.3–70.0)

 Don’t know

10,987

20.4% (20.2–20.6)

13.1% (13.0–13.2)

10.4% (10.2–10.6)

8.2% (7.7–8.8)

 Question not answered

7620

-

-

-

-

Folic acid supplementation (n = 63,160)

 No

35,333

70.8% (70.7–71.1)

50.9% (50.7–51.1)

44.5% (44.1–44.8)

45.5% (44.5–46.5)

 Yes

27,827

29.1% (28.9–29.3)

49.1% (48.9–49.3)

55.5% (55.2–55.9)

54.5% (53.5–55.5)

 Question not answered

18,510

-

-

-

-