Table 3. Weighted Mean and Interquartile Ranges of 24-Hour Urinary Sodium Excretion Among Nonpregnant US Adults Aged 20 to 69 Years, 2014a.
| Groupb | Overallc | Menc | Womenc | |||
|---|---|---|---|---|---|---|
| Mean (95% CI), mg | Median (IQR), mg | Mean (95% CI), mg | Median (IQR), mg | Mean (95% CI), mg | Median (IQR), mg | |
| All participants | 3608 (3414-3803) | 3320 (2308-4524) | 4205 (3959-4452) | 4050 (2813-5202) | 3039 (2844-3234) | 2857 (2131-3753) |
| Age, y | ||||||
| 20-44 | 3699 (3449-3949) | 3385 (2437-4578) | 4284 (3988-4580) | 4006 (2710-5543) | 3110 (2888-3332) | 2950 (2223-3817) |
| 45-69 | 3507 (3266-3748) | 3312 (2241-4407) | 4112 (3802-4423) | 4163 (3153-5030) | 2964 (2679-3248) | 2678 (2040-3643) |
| Race and Hispanic origin | ||||||
| Non-Hispanic white | 3602 (3354-3850) | 3371 (2271-4511) | 4241 (3960-4523) | 4059 (2982-5169) | 2977 (2745-3209) | 2667 (2000-3700) |
| Non-Hispanic black | 3606 (3281-3931) | 3121 (2334-4472) | 4009 (3718-4300) | 3613 (2544-4912) | 3272 (2849-3695) | 2965 (2218-3990) |
| Non-Hispanic Asian | 3646 (3172-4120) | 3579 (2440-4327) | 4160 (3413-4907) | 3989 (2194-4978) | 3225 (2852-3598) | 3262 (2522-3957) |
| Hispanic | 3647 (3262-4032) | 3399 (2531-4621) | 4206 (3654-4758) | 4181 (2734-5249) | 3080 (2761-3399) | 3027 (2261-3735) |
| Family income, % federal poverty index | ||||||
| ≤130% | 3475 (3207-3743) | 3139 (2169-4466) | 4085 (3623-4546) | 3911 (2547-5207) | 3010 (2781-3240) | 2719 (2021-3738) |
| >130% | 3681 (3440-3922) | 3383 (2439-4558) | 4300 (3992-4607) | 4083 (2952-5268) | 3046 (2796-3297) | 2859 (2210-3729) |
| Education, y | ||||||
| ≤12 or GED | 3728 (3431-4025) | 3504 (2316-4808) | 4270 (3930-4609) | 4193 (2891-5380) | 3080 (2794-3367) | 2896 (2180-3788) |
| >12 | 3526 (3236-3816) | 3302 (2292-4379) | 4151 (3744-4559) | 3907 (2791-4935) | 3015 (2777-3254) | 2783 (2034-3729) |
| BMI | ||||||
| <25.0 | 2841 (2643-3040) | 2591 (2016-3598) | 3064 (2728-3399) | 2784 (2194-4005) | 2662 (2480-2843) | 2526 (1885-3507) |
| 25.0-29.9 | 3691 (3378-4003) | 3484 (2334-4510) | 4245 (3920-4569) | 4193 (3046-5230) | 2948 (2620-3277) | 2675 (2133-3534) |
| ≥30.0 | 4065 (3744-4386) | 3775 (2676-5134) | 4943 (4656-5231) | 4729 (3628-5934) | 3350 (2979-3720) | 2994 (2275-4139) |
| Physical activityd | ||||||
| Recommended | 3643 (3394-3892) | 3372 (2421-4555) | 4211 (3840-4581) | 3968 (2814-5278) | 3008 (2812-3205) | 2854 (2156-3771) |
| Intermediate | 3422 (3126-3717) | 3062 (2196-4160) | 4244 (3236-5252) | 4005 (2529-4816) | 2866 (2638-3094) | 2822 (1983-3642) |
| Low | 3640 (3285-3995) | 3323 (2225-4796) | 4164 (3616-4713) | 4370 (2658-5136) | 3231 (2613-3848) | 2878 (2170-3729) |
| Reported reducing sodium or salt intake | ||||||
| Yes | 3633 (3445-3822) | 3428 (2297-4514) | 4212 (3919-4505) | 4153 (2976-5025) | 3134 (2862-3405) | 2935 (2203-4052) |
| No | 3588 (3305-3871) | 3220 (2312-4541) | 4200 (3823-4578) | 3978 (2787-5278) | 2955 (2779-3131) | 2678 (2100-3550) |
| Hypertension | ||||||
| Yes | 3757 (3518-3996) | 3319 (2239-4741) | 4465 (4116-4814) | 4026 (3024-5382) | 2956 (2599-3314) | 2676 (1953-3754) |
| No | 3452 (3252-3652) | 3275 (2364-4346) | 3904 (3622-4187) | 3985 (2645-4919) | 3082 (2900-3263) | 2859 (2243-3739) |
| Diabetes diagnosis | ||||||
| Yes | 4322 (3891-4753) | 4175 (2884-5133) | 5248 (4575-5922) | 4762 (4195-6593) | 3481 (2878-4084) | 3109 (2256-4164) |
| No | 3530 (3346-3713) | 3256 (2287-4381) | 4093 (3846-4341) | 3935 (2718-5159) | 2989 (2813-3165) | 2770 (2116-3726) |
| Chronic kidney disease | ||||||
| Yes | 3527 (3250-3804) | 3260 (2197-4783) | 4425 (3843-5007) | 4753 (3207-5056) | 3064 (2653-3474) | 2938 (1953-3959) |
| No | 3620 (3417-3823) | 3367 (2320-4508) | 4195 (3924-4466) | 4008 (2737-5230) | 3037 (2812-3262) | 2834 (2136-3741) |
| History of CVD | ||||||
| Yes | 3377 (2699-4054) | 2917 (2008-4196) | 3579 (2628-4531) | 2945 (2167-4764) | 3119 (2366-3872) | 2778 (1880-3850) |
| No | 3623 (3416-3830) | 3343 (2327-4553) | 4243 (3973-4514) | 4085 (2836-5240) | 3039 (2846-3233) | 2857 (2142-3741) |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); CVD, cardiovascular disease; GED, General Educational Development; IQR, interquartile range.
Based on the initial 24-hour urine specimen. Nonpregnant participants aged 20 to 69 years in the 2014 National Health and Nutrition Examination Survey who completed the initial 24-hour urine collection. See Table 2 for sample sizes. See eTable 7 in the Supplement for unweighted data.
See Methods for definitions of participant characteristics and groups.
Weighted estimates and 95% CIs.
Recommended physical activity was defined as 150 minutes or more per week of moderate intensity, 75 minutes or more per week of vigorous intensity, or the equivalent combination; intermediate, 10 to 149 minutes per week of moderate intensity, 5 to 74 minutes of vigorous intensity, or the equivalent combination; low, neither recommended nor moderate activity.